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Finding the Fourth Proportional to 576,399.34, 864,580.33 and 260,856.25

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Solution

The fourth proportional to 576,399.34, 864,580.33 and 260,856.25 is: 391,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,399.34 : 864,580.33 = 260,856.25 : x
  2. Step 2: Convert to fraction form
    576,399.34/864,580.33 = 260,856.25/x
  3. Step 3: Cross multiply
    576,399.34x = 864,580.33 × 260,856.25
  4. Step 4: Simplify right side
    576,399.34x = 225,531,180,872.18
  5. Step 5: Solve for x
    x = 225,531,180,872.18/576,399.34
  6. Step 6: Final answer
    x = 391,275.92

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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.