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Finding the Fourth Proportional to 671,765.38, 927,002.01 and 369,901.06

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Solution

The fourth proportional to 671,765.38, 927,002.01 and 369,901.06 is: 510,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,765.38 : 927,002.01 = 369,901.06 : x
  2. Step 2: Convert to fraction form
    671,765.38/927,002.01 = 369,901.06/x
  3. Step 3: Cross multiply
    671,765.38x = 927,002.01 × 369,901.06
  4. Step 4: Simplify right side
    671,765.38x = 342,899,026,121.13
  5. Step 5: Solve for x
    x = 342,899,026,121.13/671,765.38
  6. Step 6: Final answer
    x = 510,444.62

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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.