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Finding the Fourth Proportional to 439,101.76, 605,960.31 and 237,897.76

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Solution

The fourth proportional to 439,101.76, 605,960.31 and 237,897.76 is: 328,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,101.76 : 605,960.31 = 237,897.76 : x
  2. Step 2: Convert to fraction form
    439,101.76/605,960.31 = 237,897.76/x
  3. Step 3: Cross multiply
    439,101.76x = 605,960.31 × 237,897.76
  4. Step 4: Simplify right side
    439,101.76x = 144,156,600,397.91
  5. Step 5: Solve for x
    x = 144,156,600,397.91/439,101.76
  6. Step 6: Final answer
    x = 328,298.84

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1.5x scale

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.