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Finding the Fourth Proportional to 453,100.46, 625,122.90 and 280,956.42

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Solution

The fourth proportional to 453,100.46, 625,122.90 and 280,956.42 is: 387,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,100.46 : 625,122.90 = 280,956.42 : x
  2. Step 2: Convert to fraction form
    453,100.46/625,122.90 = 280,956.42/x
  3. Step 3: Cross multiply
    453,100.46x = 625,122.90 × 280,956.42
  4. Step 4: Simplify right side
    453,100.46x = 175,632,292,044.02
  5. Step 5: Solve for x
    x = 175,632,292,044.02/453,100.46
  6. Step 6: Final answer
    x = 387,623.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.