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Finding the Fourth Proportional to 453,160.72, 625,206.04 and 281,016.80

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Solution

The fourth proportional to 453,160.72, 625,206.04 and 281,016.80 is: 387,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,160.72 : 625,206.04 = 281,016.80 : x
  2. Step 2: Convert to fraction form
    453,160.72/625,206.04 = 281,016.80/x
  3. Step 3: Cross multiply
    453,160.72x = 625,206.04 × 281,016.80
  4. Step 4: Simplify right side
    453,160.72x = 175,693,400,701.47
  5. Step 5: Solve for x
    x = 175,693,400,701.47/453,160.72
  6. Step 6: Final answer
    x = 387,706.60

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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.