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Finding the Fourth Proportional to 576,352.38, 864,528.56 and 197,278.04

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Solution

The fourth proportional to 576,352.38, 864,528.56 and 197,278.04 is: 295,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,352.38 : 864,528.56 = 197,278.04 : x
  2. Step 2: Convert to fraction form
    576,352.38/864,528.56 = 197,278.04/x
  3. Step 3: Cross multiply
    576,352.38x = 864,528.56 × 197,278.04
  4. Step 4: Simplify right side
    576,352.38x = 170,552,499,840.82
  5. Step 5: Solve for x
    x = 170,552,499,840.82/576,352.38
  6. Step 6: Final answer
    x = 295,917.06

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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.