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Finding the Fourth Proportional to 361,916.94, 542,875.42 and 247,952.38

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Solution

The fourth proportional to 361,916.94, 542,875.42 and 247,952.38 is: 371,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,916.94 : 542,875.42 = 247,952.38 : x
  2. Step 2: Convert to fraction form
    361,916.94/542,875.42 = 247,952.38/x
  3. Step 3: Cross multiply
    361,916.94x = 542,875.42 × 247,952.38
  4. Step 4: Simplify right side
    361,916.94x = 134,607,252,432.50
  5. Step 5: Solve for x
    x = 134,607,252,432.50/361,916.94
  6. Step 6: Final answer
    x = 371,928.58

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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.