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Finding the Fourth Proportional to 242,695.60, 364,043.40 and 239,585.20

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Solution

The fourth proportional to 242,695.60, 364,043.40 and 239,585.20 is: 359,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,695.60 : 364,043.40 = 239,585.20 : x
  2. Step 2: Convert to fraction form
    242,695.60/364,043.40 = 239,585.20/x
  3. Step 3: Cross multiply
    242,695.60x = 364,043.40 × 239,585.20
  4. Step 4: Simplify right side
    242,695.60x = 87,219,410,797.68
  5. Step 5: Solve for x
    x = 87,219,410,797.68/242,695.60
  6. Step 6: Final answer
    x = 359,377.80

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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.