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Finding the Fourth Proportional to 560,030.80, 840,046.20 and 472,550.80

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Solution

The fourth proportional to 560,030.80, 840,046.20 and 472,550.80 is: 708,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,030.80 : 840,046.20 = 472,550.80 : x
  2. Step 2: Convert to fraction form
    560,030.80/840,046.20 = 472,550.80/x
  3. Step 3: Cross multiply
    560,030.80x = 840,046.20 × 472,550.80
  4. Step 4: Simplify right side
    560,030.80x = 396,964,503,846.96
  5. Step 5: Solve for x
    x = 396,964,503,846.96/560,030.80
  6. Step 6: Final answer
    x = 708,826.20

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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.