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Finding the Fourth Proportional to 363,558.80, 545,338.20 and 97,360.40

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Solution

The fourth proportional to 363,558.80, 545,338.20 and 97,360.40 is: 146,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,558.80 : 545,338.20 = 97,360.40 : x
  2. Step 2: Convert to fraction form
    363,558.80/545,338.20 = 97,360.40/x
  3. Step 3: Cross multiply
    363,558.80x = 545,338.20 × 97,360.40
  4. Step 4: Simplify right side
    363,558.80x = 53,094,345,287.28
  5. Step 5: Solve for x
    x = 53,094,345,287.28/363,558.80
  6. Step 6: Final answer
    x = 146,040.60

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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.