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Finding the Fourth Proportional to 497,637.60, 746,310.60 and 231,333.90

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Solution

The fourth proportional to 497,637.60, 746,310.60 and 231,333.90 is: 346,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,637.60 : 746,310.60 = 231,333.90 : x
  2. Step 2: Convert to fraction form
    497,637.60/746,310.60 = 231,333.90/x
  3. Step 3: Cross multiply
    497,637.60x = 746,310.60 × 231,333.90
  4. Step 4: Simplify right side
    497,637.60x = 172,646,941,709.34
  5. Step 5: Solve for x
    x = 172,646,941,709.34/497,637.60
  6. Step 6: Final answer
    x = 346,933.07

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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.