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Finding the Fourth Proportional to 410,641.48, 615,855.30 and 173,862.28

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Solution

The fourth proportional to 410,641.48, 615,855.30 and 173,862.28 is: 260,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,641.48 : 615,855.30 = 173,862.28 : x
  2. Step 2: Convert to fraction form
    410,641.48/615,855.30 = 173,862.28/x
  3. Step 3: Cross multiply
    410,641.48x = 615,855.30 × 173,862.28
  4. Step 4: Simplify right side
    410,641.48x = 107,074,006,608.08
  5. Step 5: Solve for x
    x = 107,074,006,608.08/410,641.48
  6. Step 6: Final answer
    x = 260,748.15

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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.