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Finding the Fourth Proportional to 503,439.80, 754,979.87 and 166,418.24

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Solution

The fourth proportional to 503,439.80, 754,979.87 and 166,418.24 is: 249,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,439.80 : 754,979.87 = 166,418.24 : x
  2. Step 2: Convert to fraction form
    503,439.80/754,979.87 = 166,418.24/x
  3. Step 3: Cross multiply
    503,439.80x = 754,979.87 × 166,418.24
  4. Step 4: Simplify right side
    503,439.80x = 125,642,417,841.98
  5. Step 5: Solve for x
    x = 125,642,417,841.98/503,439.80
  6. Step 6: Final answer
    x = 249,567.91

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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.