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Finding the Fourth Proportional to 497,685.60, 746,528.40 and 123,708.60

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Solution

The fourth proportional to 497,685.60, 746,528.40 and 123,708.60 is: 185,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,685.60 : 746,528.40 = 123,708.60 : x
  2. Step 2: Convert to fraction form
    497,685.60/746,528.40 = 123,708.60/x
  3. Step 3: Cross multiply
    497,685.60x = 746,528.40 × 123,708.60
  4. Step 4: Simplify right side
    497,685.60x = 92,351,983,224.24
  5. Step 5: Solve for x
    x = 92,351,983,224.24/497,685.60
  6. Step 6: Final answer
    x = 185,562.90

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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.