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Finding the Fourth Proportional to 502,948.71, 754,349.21 and 166,000.39

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Solution

The fourth proportional to 502,948.71, 754,349.21 and 166,000.39 is: 248,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,948.71 : 754,349.21 = 166,000.39 : x
  2. Step 2: Convert to fraction form
    502,948.71/754,349.21 = 166,000.39/x
  3. Step 3: Cross multiply
    502,948.71x = 754,349.21 × 166,000.39
  4. Step 4: Simplify right side
    502,948.71x = 125,222,259,284.45
  5. Step 5: Solve for x
    x = 125,222,259,284.45/502,948.71
  6. Step 6: Final answer
    x = 248,976.20

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1.5x scale

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.