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Finding the Fourth Proportional to 583,422.38, 875,133.58 and 140,190.38

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Solution

The fourth proportional to 583,422.38, 875,133.58 and 140,190.38 is: 210,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,422.38 : 875,133.58 = 140,190.38 : x
  2. Step 2: Convert to fraction form
    583,422.38/875,133.58 = 140,190.38/x
  3. Step 3: Cross multiply
    583,422.38x = 875,133.58 × 140,190.38
  4. Step 4: Simplify right side
    583,422.38x = 122,685,309,130.96
  5. Step 5: Solve for x
    x = 122,685,309,130.96/583,422.38
  6. Step 6: Final answer
    x = 210,285.57

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Half scale
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Double scale
Find fourth proportional to 583,423.38, 875,135.08 and 140,191.38
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.