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Finding the Fourth Proportional to 472,463.20, 708,694.80 and 417,350.80

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Solution

The fourth proportional to 472,463.20, 708,694.80 and 417,350.80 is: 626,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,463.20 : 708,694.80 = 417,350.80 : x
  2. Step 2: Convert to fraction form
    472,463.20/708,694.80 = 417,350.80/x
  3. Step 3: Cross multiply
    472,463.20x = 708,694.80 × 417,350.80
  4. Step 4: Simplify right side
    472,463.20x = 295,774,341,735.84
  5. Step 5: Solve for x
    x = 295,774,341,735.84/472,463.20
  6. Step 6: Final answer
    x = 626,026.20

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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.