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Finding the Fourth Proportional to 480,959.31, 663,743.39 and 266,095.88

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Solution

The fourth proportional to 480,959.31, 663,743.39 and 266,095.88 is: 367,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,959.31 : 663,743.39 = 266,095.88 : x
  2. Step 2: Convert to fraction form
    480,959.31/663,743.39 = 266,095.88/x
  3. Step 3: Cross multiply
    480,959.31x = 663,743.39 × 266,095.88
  4. Step 4: Simplify right side
    480,959.31x = 176,619,376,807.04
  5. Step 5: Solve for x
    x = 176,619,376,807.04/480,959.31
  6. Step 6: Final answer
    x = 367,223.12

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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.