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Finding the Fourth Proportional to 242,620.80, 363,931.20 and 232,382.40

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Solution

The fourth proportional to 242,620.80, 363,931.20 and 232,382.40 is: 348,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,620.80 : 363,931.20 = 232,382.40 : x
  2. Step 2: Convert to fraction form
    242,620.80/363,931.20 = 232,382.40/x
  3. Step 3: Cross multiply
    242,620.80x = 363,931.20 × 232,382.40
  4. Step 4: Simplify right side
    242,620.80x = 84,571,205,690.88
  5. Step 5: Solve for x
    x = 84,571,205,690.88/242,620.80
  6. Step 6: Final answer
    x = 348,573.60

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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.