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Finding the Fourth Proportional to 503,678.73, 755,336.64 and 166,657.17

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Solution

The fourth proportional to 503,678.73, 755,336.64 and 166,657.17 is: 249,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,678.73 : 755,336.64 = 166,657.17 : x
  2. Step 2: Convert to fraction form
    503,678.73/755,336.64 = 166,657.17/x
  3. Step 3: Cross multiply
    503,678.73x = 755,336.64 × 166,657.17
  4. Step 4: Simplify right side
    503,678.73x = 125,882,266,819.71
  5. Step 5: Solve for x
    x = 125,882,266,819.71/503,678.73
  6. Step 6: Final answer
    x = 249,925.72

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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.