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Finding the Fourth Proportional to 498,375.60, 747,563.40 and 498,375.60

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Solution

The fourth proportional to 498,375.60, 747,563.40 and 498,375.60 is: 747,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,375.60 : 747,563.40 = 498,375.60 : x
  2. Step 2: Convert to fraction form
    498,375.60/747,563.40 = 498,375.60/x
  3. Step 3: Cross multiply
    498,375.60x = 747,563.40 × 498,375.60
  4. Step 4: Simplify right side
    498,375.60x = 372,567,358,013.04
  5. Step 5: Solve for x
    x = 372,567,358,013.04/498,375.60
  6. Step 6: Final answer
    x = 747,563.40

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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.