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Finding the Fourth Proportional to 496,872.60, 745,308.90 and 483,048.60

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Solution

The fourth proportional to 496,872.60, 745,308.90 and 483,048.60 is: 724,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,872.60 : 745,308.90 = 483,048.60 : x
  2. Step 2: Convert to fraction form
    496,872.60/745,308.90 = 483,048.60/x
  3. Step 3: Cross multiply
    496,872.60x = 745,308.90 × 483,048.60
  4. Step 4: Simplify right side
    496,872.60x = 360,020,420,712.54
  5. Step 5: Solve for x
    x = 360,020,420,712.54/496,872.60
  6. Step 6: Final answer
    x = 724,572.90

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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.