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Finding the Fourth Proportional to 493,710.61, 681,316.69 and 267,356.11

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Solution

The fourth proportional to 493,710.61, 681,316.69 and 267,356.11 is: 368,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,710.61 : 681,316.69 = 267,356.11 : x
  2. Step 2: Convert to fraction form
    493,710.61/681,316.69 = 267,356.11/x
  3. Step 3: Cross multiply
    493,710.61x = 681,316.69 × 267,356.11
  4. Step 4: Simplify right side
    493,710.61x = 182,154,179,916.48
  5. Step 5: Solve for x
    x = 182,154,179,916.48/493,710.61
  6. Step 6: Final answer
    x = 368,949.29

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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.