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Finding the Fourth Proportional to 472,114.20, 708,171.30 and 453,743.40

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Solution

The fourth proportional to 472,114.20, 708,171.30 and 453,743.40 is: 680,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,114.20 : 708,171.30 = 453,743.40 : x
  2. Step 2: Convert to fraction form
    472,114.20/708,171.30 = 453,743.40/x
  3. Step 3: Cross multiply
    472,114.20x = 708,171.30 × 453,743.40
  4. Step 4: Simplify right side
    472,114.20x = 321,328,053,444.42
  5. Step 5: Solve for x
    x = 321,328,053,444.42/472,114.20
  6. Step 6: Final answer
    x = 680,615.10

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Similar ratio
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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.