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Finding the Fourth Proportional to 576,589.64, 864,967.17 and 177,263.95

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Solution

The fourth proportional to 576,589.64, 864,967.17 and 177,263.95 is: 265,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,589.64 : 864,967.17 = 177,263.95 : x
  2. Step 2: Convert to fraction form
    576,589.64/864,967.17 = 177,263.95/x
  3. Step 3: Cross multiply
    576,589.64x = 864,967.17 × 177,263.95
  4. Step 4: Simplify right side
    576,589.64x = 153,327,494,347.36
  5. Step 5: Solve for x
    x = 153,327,494,347.36/576,589.64
  6. Step 6: Final answer
    x = 265,921.35

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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.