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Finding the Fourth Proportional to 423,542.88, 584,508.24 and 253,773.36

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Solution

The fourth proportional to 423,542.88, 584,508.24 and 253,773.36 is: 350,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,542.88 : 584,508.24 = 253,773.36 : x
  2. Step 2: Convert to fraction form
    423,542.88/584,508.24 = 253,773.36/x
  3. Step 3: Cross multiply
    423,542.88x = 584,508.24 × 253,773.36
  4. Step 4: Simplify right side
    423,542.88x = 148,332,620,012.49
  5. Step 5: Solve for x
    x = 148,332,620,012.49/423,542.88
  6. Step 6: Final answer
    x = 350,218.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.