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Finding the Fourth Proportional to 482,660.65, 666,071.69 and 267,802.25

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Solution

The fourth proportional to 482,660.65, 666,071.69 and 267,802.25 is: 369,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,660.65 : 666,071.69 = 267,802.25 : x
  2. Step 2: Convert to fraction form
    482,660.65/666,071.69 = 267,802.25/x
  3. Step 3: Cross multiply
    482,660.65x = 666,071.69 × 267,802.25
  4. Step 4: Simplify right side
    482,660.65x = 178,375,498,956.76
  5. Step 5: Solve for x
    x = 178,375,498,956.76/482,660.65
  6. Step 6: Final answer
    x = 369,567.11

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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.