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Finding the Fourth Proportional to 536,871.50, 740,863.78 and 295,152.32

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Solution

The fourth proportional to 536,871.50, 740,863.78 and 295,152.32 is: 407,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,871.50 : 740,863.78 = 295,152.32 : x
  2. Step 2: Convert to fraction form
    536,871.50/740,863.78 = 295,152.32/x
  3. Step 3: Cross multiply
    536,871.50x = 740,863.78 × 295,152.32
  4. Step 4: Simplify right side
    536,871.50x = 218,667,663,470.97
  5. Step 5: Solve for x
    x = 218,667,663,470.97/536,871.50
  6. Step 6: Final answer
    x = 407,299.82

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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.