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Finding the Fourth Proportional to 356,592.40, 534,922.24 and 100,423.92

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Solution

The fourth proportional to 356,592.40, 534,922.24 and 100,423.92 is: 150,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,592.40 : 534,922.24 = 100,423.92 : x
  2. Step 2: Convert to fraction form
    356,592.40/534,922.24 = 100,423.92/x
  3. Step 3: Cross multiply
    356,592.40x = 534,922.24 × 100,423.92
  4. Step 4: Simplify right side
    356,592.40x = 53,718,988,235.98
  5. Step 5: Solve for x
    x = 53,718,988,235.98/356,592.40
  6. Step 6: Final answer
    x = 150,645.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.