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Finding the Fourth Proportional to 367,578.60, 507,318.56 and 252,761.10

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Solution

The fourth proportional to 367,578.60, 507,318.56 and 252,761.10 is: 348,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,578.60 : 507,318.56 = 252,761.10 : x
  2. Step 2: Convert to fraction form
    367,578.60/507,318.56 = 252,761.10/x
  3. Step 3: Cross multiply
    367,578.60x = 507,318.56 × 252,761.10
  4. Step 4: Simplify right side
    367,578.60x = 128,230,397,276.02
  5. Step 5: Solve for x
    x = 128,230,397,276.02/367,578.60
  6. Step 6: Final answer
    x = 348,851.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.