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Finding the Fourth Proportional to 503,419.92, 754,950.06 and 166,398.36

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Solution

The fourth proportional to 503,419.92, 754,950.06 and 166,398.36 is: 249,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,419.92 : 754,950.06 = 166,398.36 : x
  2. Step 2: Convert to fraction form
    503,419.92/754,950.06 = 166,398.36/x
  3. Step 3: Cross multiply
    503,419.92x = 754,950.06 × 166,398.36
  4. Step 4: Simplify right side
    503,419.92x = 125,622,451,865.90
  5. Step 5: Solve for x
    x = 125,622,451,865.90/503,419.92
  6. Step 6: Final answer
    x = 249,538.10

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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.