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Finding the Fourth Proportional to 498,740.60, 747,600.60 and 245,631.80

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Solution

The fourth proportional to 498,740.60, 747,600.60 and 245,631.80 is: 368,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,740.60 : 747,600.60 = 245,631.80 : x
  2. Step 2: Convert to fraction form
    498,740.60/747,600.60 = 245,631.80/x
  3. Step 3: Cross multiply
    498,740.60x = 747,600.60 × 245,631.80
  4. Step 4: Simplify right side
    498,740.60x = 183,634,481,059.08
  5. Step 5: Solve for x
    x = 183,634,481,059.08/498,740.60
  6. Step 6: Final answer
    x = 368,196.38

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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.