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Finding the Fourth Proportional to 480,726.44, 663,398.23 and 265,861.88

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Solution

The fourth proportional to 480,726.44, 663,398.23 and 265,861.88 is: 366,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,726.44 : 663,398.23 = 265,861.88 : x
  2. Step 2: Convert to fraction form
    480,726.44/663,398.23 = 265,861.88/x
  3. Step 3: Cross multiply
    480,726.44x = 663,398.23 × 265,861.88
  4. Step 4: Simplify right side
    480,726.44x = 176,372,300,616.47
  5. Step 5: Solve for x
    x = 176,372,300,616.47/480,726.44
  6. Step 6: Final answer
    x = 366,887.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.