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Finding the Fourth Proportional to 243,777.60, 366,103.80 and 235,904.40

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Solution

The fourth proportional to 243,777.60, 366,103.80 and 235,904.40 is: 354,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,777.60 : 366,103.80 = 235,904.40 : x
  2. Step 2: Convert to fraction form
    243,777.60/366,103.80 = 235,904.40/x
  3. Step 3: Cross multiply
    243,777.60x = 366,103.80 × 235,904.40
  4. Step 4: Simplify right side
    243,777.60x = 86,365,497,276.72
  5. Step 5: Solve for x
    x = 86,365,497,276.72/243,777.60
  6. Step 6: Final answer
    x = 354,279.87

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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.