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Finding the Fourth Proportional to 488,171.71, 732,116.12 and 146,601.35

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Solution

The fourth proportional to 488,171.71, 732,116.12 and 146,601.35 is: 219,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,171.71 : 732,116.12 = 146,601.35 : x
  2. Step 2: Convert to fraction form
    488,171.71/732,116.12 = 146,601.35/x
  3. Step 3: Cross multiply
    488,171.71x = 732,116.12 × 146,601.35
  4. Step 4: Simplify right side
    488,171.71x = 107,329,210,815.76
  5. Step 5: Solve for x
    x = 107,329,210,815.76/488,171.71
  6. Step 6: Final answer
    x = 219,859.55

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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.