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Finding the Fourth Proportional to 363,459.60, 545,772.60 and 245,653.20

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Solution

The fourth proportional to 363,459.60, 545,772.60 and 245,653.20 is: 368,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,459.60 : 545,772.60 = 245,653.20 : x
  2. Step 2: Convert to fraction form
    363,459.60/545,772.60 = 245,653.20/x
  3. Step 3: Cross multiply
    363,459.60x = 545,772.60 × 245,653.20
  4. Step 4: Simplify right side
    363,459.60x = 134,070,785,662.32
  5. Step 5: Solve for x
    x = 134,070,785,662.32/363,459.60
  6. Step 6: Final answer
    x = 368,873.97

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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.