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Finding the Fourth Proportional to 243,778.10, 366,104.55 and 235,904.90

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Solution

The fourth proportional to 243,778.10, 366,104.55 and 235,904.90 is: 354,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,778.10 : 366,104.55 = 235,904.90 : x
  2. Step 2: Convert to fraction form
    243,778.10/366,104.55 = 235,904.90/x
  3. Step 3: Cross multiply
    243,778.10x = 366,104.55 × 235,904.90
  4. Step 4: Simplify right side
    243,778.10x = 86,365,857,257.30
  5. Step 5: Solve for x
    x = 86,365,857,257.30/243,778.10
  6. Step 6: Final answer
    x = 354,280.62

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1.5x scale

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.