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Finding the Fourth Proportional to 625,141.80, 936,330.30 and 250,972.20

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Solution

The fourth proportional to 625,141.80, 936,330.30 and 250,972.20 is: 375,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,141.80 : 936,330.30 = 250,972.20 : x
  2. Step 2: Convert to fraction form
    625,141.80/936,330.30 = 250,972.20/x
  3. Step 3: Cross multiply
    625,141.80x = 936,330.30 × 250,972.20
  4. Step 4: Simplify right side
    625,141.80x = 234,992,875,317.66
  5. Step 5: Solve for x
    x = 234,992,875,317.66/625,141.80
  6. Step 6: Final answer
    x = 375,903.32

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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.