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Finding the Fourth Proportional to 363,461.60, 545,775.60 and 245,655.20

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Solution

The fourth proportional to 363,461.60, 545,775.60 and 245,655.20 is: 368,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,461.60 : 545,775.60 = 245,655.20 : x
  2. Step 2: Convert to fraction form
    363,461.60/545,775.60 = 245,655.20/x
  3. Step 3: Cross multiply
    363,461.60x = 545,775.60 × 245,655.20
  4. Step 4: Simplify right side
    363,461.60x = 134,072,614,173.12
  5. Step 5: Solve for x
    x = 134,072,614,173.12/363,461.60
  6. Step 6: Final answer
    x = 368,876.97

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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.