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Finding the Fourth Proportional to 541,534.61, 812,377.25 and 225,918.92

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Solution

The fourth proportional to 541,534.61, 812,377.25 and 225,918.92 is: 338,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,534.61 : 812,377.25 = 225,918.92 : x
  2. Step 2: Convert to fraction form
    541,534.61/812,377.25 = 225,918.92/x
  3. Step 3: Cross multiply
    541,534.61x = 812,377.25 × 225,918.92
  4. Step 4: Simplify right side
    541,534.61x = 183,531,390,952.57
  5. Step 5: Solve for x
    x = 183,531,390,952.57/541,534.61
  6. Step 6: Final answer
    x = 338,909.81

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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.