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Finding the Fourth Proportional to 576,016.65, 864,214.56 and 272,541.24

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Solution

The fourth proportional to 576,016.65, 864,214.56 and 272,541.24 is: 408,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,016.65 : 864,214.56 = 272,541.24 : x
  2. Step 2: Convert to fraction form
    576,016.65/864,214.56 = 272,541.24/x
  3. Step 3: Cross multiply
    576,016.65x = 864,214.56 × 272,541.24
  4. Step 4: Simplify right side
    576,016.65x = 235,534,107,808.45
  5. Step 5: Solve for x
    x = 235,534,107,808.45/576,016.65
  6. Step 6: Final answer
    x = 408,901.56

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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.