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Finding the Fourth Proportional to 338,737.13, 508,302.47 and 151,748.63

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Solution

The fourth proportional to 338,737.13, 508,302.47 and 151,748.63 is: 227,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,737.13 : 508,302.47 = 151,748.63 : x
  2. Step 2: Convert to fraction form
    338,737.13/508,302.47 = 151,748.63/x
  3. Step 3: Cross multiply
    338,737.13x = 508,302.47 × 151,748.63
  4. Step 4: Simplify right side
    338,737.13x = 77,134,203,192.11
  5. Step 5: Solve for x
    x = 77,134,203,192.11/338,737.13
  6. Step 6: Final answer
    x = 227,711.10

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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.