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Finding the Fourth Proportional to 496,905.60, 745,358.40 and 471,244.80

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Solution

The fourth proportional to 496,905.60, 745,358.40 and 471,244.80 is: 706,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,905.60 : 745,358.40 = 471,244.80 : x
  2. Step 2: Convert to fraction form
    496,905.60/745,358.40 = 471,244.80/x
  3. Step 3: Cross multiply
    496,905.60x = 745,358.40 × 471,244.80
  4. Step 4: Simplify right side
    496,905.60x = 351,246,270,136.32
  5. Step 5: Solve for x
    x = 351,246,270,136.32/496,905.60
  6. Step 6: Final answer
    x = 706,867.20

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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.