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Finding the Fourth Proportional to 480,657.75, 663,296.76 and 265,799.58

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Solution

The fourth proportional to 480,657.75, 663,296.76 and 265,799.58 is: 366,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,657.75 : 663,296.76 = 265,799.58 : x
  2. Step 2: Convert to fraction form
    480,657.75/663,296.76 = 265,799.58/x
  3. Step 3: Cross multiply
    480,657.75x = 663,296.76 × 265,799.58
  4. Step 4: Simplify right side
    480,657.75x = 176,304,000,223.36
  5. Step 5: Solve for x
    x = 176,304,000,223.36/480,657.75
  6. Step 6: Final answer
    x = 366,797.37

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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.