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Finding the Fourth Proportional to 576,589.40, 864,966.79 and 177,263.70

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Solution

The fourth proportional to 576,589.40, 864,966.79 and 177,263.70 is: 265,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,589.40 : 864,966.79 = 177,263.70 : x
  2. Step 2: Convert to fraction form
    576,589.40/864,966.79 = 177,263.70/x
  3. Step 3: Cross multiply
    576,589.40x = 864,966.79 × 177,263.70
  4. Step 4: Simplify right side
    576,589.40x = 153,327,213,572.52
  5. Step 5: Solve for x
    x = 153,327,213,572.52/576,589.40
  6. Step 6: Final answer
    x = 265,920.97

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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.