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Finding the Fourth Proportional to 472,277.70, 708,416.55 and 453,906.90

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Solution

The fourth proportional to 472,277.70, 708,416.55 and 453,906.90 is: 680,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,277.70 : 708,416.55 = 453,906.90 : x
  2. Step 2: Convert to fraction form
    472,277.70/708,416.55 = 453,906.90/x
  3. Step 3: Cross multiply
    472,277.70x = 708,416.55 × 453,906.90
  4. Step 4: Simplify right side
    472,277.70x = 321,555,160,119.20
  5. Step 5: Solve for x
    x = 321,555,160,119.20/472,277.70
  6. Step 6: Final answer
    x = 680,860.35

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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.