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Finding the Fourth Proportional to 444,637.83, 612,306.35 and 386,468.49

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Solution

The fourth proportional to 444,637.83, 612,306.35 and 386,468.49 is: 532,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,637.83 : 612,306.35 = 386,468.49 : x
  2. Step 2: Convert to fraction form
    444,637.83/612,306.35 = 386,468.49/x
  3. Step 3: Cross multiply
    444,637.83x = 612,306.35 × 386,468.49
  4. Step 4: Simplify right side
    444,637.83x = 236,637,105,508.04
  5. Step 5: Solve for x
    x = 236,637,105,508.04/444,637.83
  6. Step 6: Final answer
    x = 532,201.92

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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.