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Finding the Fourth Proportional to 452,008.86, 624,004.47 and 318,469.02

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Solution

The fourth proportional to 452,008.86, 624,004.47 and 318,469.02 is: 439,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,008.86 : 624,004.47 = 318,469.02 : x
  2. Step 2: Convert to fraction form
    452,008.86/624,004.47 = 318,469.02/x
  3. Step 3: Cross multiply
    452,008.86x = 624,004.47 × 318,469.02
  4. Step 4: Simplify right side
    452,008.86x = 198,726,092,036.52
  5. Step 5: Solve for x
    x = 198,726,092,036.52/452,008.86
  6. Step 6: Final answer
    x = 439,650.88

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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.