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Finding the Fourth Proportional to 452,549.87, 679,111.16 and 253,001.15

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Solution

The fourth proportional to 452,549.87, 679,111.16 and 253,001.15 is: 379,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,549.87 : 679,111.16 = 253,001.15 : x
  2. Step 2: Convert to fraction form
    452,549.87/679,111.16 = 253,001.15/x
  3. Step 3: Cross multiply
    452,549.87x = 679,111.16 × 253,001.15
  4. Step 4: Simplify right side
    452,549.87x = 171,815,906,788.12
  5. Step 5: Solve for x
    x = 171,815,906,788.12/452,549.87
  6. Step 6: Final answer
    x = 379,661.82

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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.