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Finding the Fourth Proportional to 508,211.55, 762,038.85 and 234,360.47

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Solution

The fourth proportional to 508,211.55, 762,038.85 and 234,360.47 is: 351,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,211.55 : 762,038.85 = 234,360.47 : x
  2. Step 2: Convert to fraction form
    508,211.55/762,038.85 = 234,360.47/x
  3. Step 3: Cross multiply
    508,211.55x = 762,038.85 × 234,360.47
  4. Step 4: Simplify right side
    508,211.55x = 178,591,785,828.21
  5. Step 5: Solve for x
    x = 178,591,785,828.21/508,211.55
  6. Step 6: Final answer
    x = 351,412.29

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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.