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Finding the Fourth Proportional to 496,455.60, 744,683.40 and 482,631.60

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Solution

The fourth proportional to 496,455.60, 744,683.40 and 482,631.60 is: 723,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,455.60 : 744,683.40 = 482,631.60 : x
  2. Step 2: Convert to fraction form
    496,455.60/744,683.40 = 482,631.60/x
  3. Step 3: Cross multiply
    496,455.60x = 744,683.40 × 482,631.60
  4. Step 4: Simplify right side
    496,455.60x = 359,407,740,835.44
  5. Step 5: Solve for x
    x = 359,407,740,835.44/496,455.60
  6. Step 6: Final answer
    x = 723,947.40

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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.