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Finding the Fourth Proportional to 369,915.66, 510,428.87 and 224,645.90

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Solution

The fourth proportional to 369,915.66, 510,428.87 and 224,645.90 is: 309,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,915.66 : 510,428.87 = 224,645.90 : x
  2. Step 2: Convert to fraction form
    369,915.66/510,428.87 = 224,645.90/x
  3. Step 3: Cross multiply
    369,915.66x = 510,428.87 × 224,645.90
  4. Step 4: Simplify right side
    369,915.66x = 114,665,749,211.76
  5. Step 5: Solve for x
    x = 114,665,749,211.76/369,915.66
  6. Step 6: Final answer
    x = 309,978.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.