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Finding the Fourth Proportional to 671,294.80, 1,006,963.80 and 250,613.20

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Solution

The fourth proportional to 671,294.80, 1,006,963.80 and 250,613.20 is: 375,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,294.80 : 1,006,963.80 = 250,613.20 : x
  2. Step 2: Convert to fraction form
    671,294.80/1,006,963.80 = 250,613.20/x
  3. Step 3: Cross multiply
    671,294.80x = 1,006,963.80 × 250,613.20
  4. Step 4: Simplify right side
    671,294.80x = 252,358,420,202.16
  5. Step 5: Solve for x
    x = 252,358,420,202.16/671,294.80
  6. Step 6: Final answer
    x = 375,927.86

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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.