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Finding the Fourth Proportional to 416,775.32, 625,925.64 and 381,641.12

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Solution

The fourth proportional to 416,775.32, 625,925.64 and 381,641.12 is: 573,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,775.32 : 625,925.64 = 381,641.12 : x
  2. Step 2: Convert to fraction form
    416,775.32/625,925.64 = 381,641.12/x
  3. Step 3: Cross multiply
    416,775.32x = 625,925.64 × 381,641.12
  4. Step 4: Simplify right side
    416,775.32x = 238,878,962,286.32
  5. Step 5: Solve for x
    x = 238,878,962,286.32/416,775.32
  6. Step 6: Final answer
    x = 573,160.05

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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.