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Finding the Fourth Proportional to 358,404.73, 537,305.77 and 239,713.81

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Solution

The fourth proportional to 358,404.73, 537,305.77 and 239,713.81 is: 359,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,404.73 : 537,305.77 = 239,713.81 : x
  2. Step 2: Convert to fraction form
    358,404.73/537,305.77 = 239,713.81/x
  3. Step 3: Cross multiply
    358,404.73x = 537,305.77 × 239,713.81
  4. Step 4: Simplify right side
    358,404.73x = 128,799,609,376.59
  5. Step 5: Solve for x
    x = 128,799,609,376.59/358,404.73
  6. Step 6: Final answer
    x = 359,369.17

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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.