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Finding the Fourth Proportional to 583,443.68, 875,165.44 and 140,211.68

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Solution

The fourth proportional to 583,443.68, 875,165.44 and 140,211.68 is: 210,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,443.68 : 875,165.44 = 140,211.68 : x
  2. Step 2: Convert to fraction form
    583,443.68/875,165.44 = 140,211.68/x
  3. Step 3: Cross multiply
    583,443.68x = 875,165.44 × 140,211.68
  4. Step 4: Simplify right side
    583,443.68x = 122,708,416,620.34
  5. Step 5: Solve for x
    x = 122,708,416,620.34/583,443.68
  6. Step 6: Final answer
    x = 210,317.50

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Half scale
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Double scale
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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.