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Finding the Fourth Proportional to 576,373.32, 864,541.53 and 260,830.22

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Solution

The fourth proportional to 576,373.32, 864,541.53 and 260,830.22 is: 391,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,373.32 : 864,541.53 = 260,830.22 : x
  2. Step 2: Convert to fraction form
    576,373.32/864,541.53 = 260,830.22/x
  3. Step 3: Cross multiply
    576,373.32x = 864,541.53 × 260,830.22
  4. Step 4: Simplify right side
    576,373.32x = 225,498,553,146.33
  5. Step 5: Solve for x
    x = 225,498,553,146.33/576,373.32
  6. Step 6: Final answer
    x = 391,236.97

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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.