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Finding the Fourth Proportional to 583,412.63, 875,118.94 and 140,180.63

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Solution

The fourth proportional to 583,412.63, 875,118.94 and 140,180.63 is: 210,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,412.63 : 875,118.94 = 140,180.63 : x
  2. Step 2: Convert to fraction form
    583,412.63/875,118.94 = 140,180.63/x
  3. Step 3: Cross multiply
    583,412.63x = 875,118.94 × 140,180.63
  4. Step 4: Simplify right side
    583,412.63x = 122,674,719,608.09
  5. Step 5: Solve for x
    x = 122,674,719,608.09/583,412.63
  6. Step 6: Final answer
    x = 210,270.94

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Half scale
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Double scale
Find fourth proportional to 583,413.63, 875,120.44 and 140,181.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.