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Finding the Fourth Proportional to 480,147.88, 662,617.46 and 265,301.80

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Solution

The fourth proportional to 480,147.88, 662,617.46 and 265,301.80 is: 366,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,147.88 : 662,617.46 = 265,301.80 : x
  2. Step 2: Convert to fraction form
    480,147.88/662,617.46 = 265,301.80/x
  3. Step 3: Cross multiply
    480,147.88x = 662,617.46 × 265,301.80
  4. Step 4: Simplify right side
    480,147.88x = 175,793,604,849.43
  5. Step 5: Solve for x
    x = 175,793,604,849.43/480,147.88
  6. Step 6: Final answer
    x = 366,123.88

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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.