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Finding the Fourth Proportional to 502,677.80, 754,235.40 and 253,359.80

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Solution

The fourth proportional to 502,677.80, 754,235.40 and 253,359.80 is: 380,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,677.80 : 754,235.40 = 253,359.80 : x
  2. Step 2: Convert to fraction form
    502,677.80/754,235.40 = 253,359.80/x
  3. Step 3: Cross multiply
    502,677.80x = 754,235.40 × 253,359.80
  4. Step 4: Simplify right side
    502,677.80x = 191,092,930,096.92
  5. Step 5: Solve for x
    x = 191,092,930,096.92/502,677.80
  6. Step 6: Final answer
    x = 380,149.93

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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.