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Finding the Fourth Proportional to 442,230.10, 662,956.35 and 264,807.70

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Solution

The fourth proportional to 442,230.10, 662,956.35 and 264,807.70 is: 396,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,230.10 : 662,956.35 = 264,807.70 : x
  2. Step 2: Convert to fraction form
    442,230.10/662,956.35 = 264,807.70/x
  3. Step 3: Cross multiply
    442,230.10x = 662,956.35 × 264,807.70
  4. Step 4: Simplify right side
    442,230.10x = 175,555,946,243.90
  5. Step 5: Solve for x
    x = 175,555,946,243.90/442,230.10
  6. Step 6: Final answer
    x = 396,978.74

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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.