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Finding the Fourth Proportional to 625,725.60, 938,505.12 and 176,482.56

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Solution

The fourth proportional to 625,725.60, 938,505.12 and 176,482.56 is: 264,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,725.60 : 938,505.12 = 176,482.56 : x
  2. Step 2: Convert to fraction form
    625,725.60/938,505.12 = 176,482.56/x
  3. Step 3: Cross multiply
    625,725.60x = 938,505.12 × 176,482.56
  4. Step 4: Simplify right side
    625,725.60x = 165,629,786,150.71
  5. Step 5: Solve for x
    x = 165,629,786,150.71/625,725.60
  6. Step 6: Final answer
    x = 264,700.35

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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.