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Finding the Fourth Proportional to 423,934.60, 635,901.90 and 366,853.90

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Solution

The fourth proportional to 423,934.60, 635,901.90 and 366,853.90 is: 550,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,934.60 : 635,901.90 = 366,853.90 : x
  2. Step 2: Convert to fraction form
    423,934.60/635,901.90 = 366,853.90/x
  3. Step 3: Cross multiply
    423,934.60x = 635,901.90 × 366,853.90
  4. Step 4: Simplify right side
    423,934.60x = 233,283,092,032.41
  5. Step 5: Solve for x
    x = 233,283,092,032.41/423,934.60
  6. Step 6: Final answer
    x = 550,280.85

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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.