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Finding the Fourth Proportional to 581,229.68, 871,860.87 and 160,505.55

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Solution

The fourth proportional to 581,229.68, 871,860.87 and 160,505.55 is: 240,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,229.68 : 871,860.87 = 160,505.55 : x
  2. Step 2: Convert to fraction form
    581,229.68/871,860.87 = 160,505.55/x
  3. Step 3: Cross multiply
    581,229.68x = 871,860.87 × 160,505.55
  4. Step 4: Simplify right side
    581,229.68x = 139,938,508,462.83
  5. Step 5: Solve for x
    x = 139,938,508,462.83/581,229.68
  6. Step 6: Final answer
    x = 240,762.84

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Double scale
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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.