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Finding the Fourth Proportional to 585,748.48, 808,301.28 and 331,084.48

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Solution

The fourth proportional to 585,748.48, 808,301.28 and 331,084.48 is: 456,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,748.48 : 808,301.28 = 331,084.48 : x
  2. Step 2: Convert to fraction form
    585,748.48/808,301.28 = 331,084.48/x
  3. Step 3: Cross multiply
    585,748.48x = 808,301.28 × 331,084.48
  4. Step 4: Simplify right side
    585,748.48x = 267,616,008,972.13
  5. Step 5: Solve for x
    x = 267,616,008,972.13/585,748.48
  6. Step 6: Final answer
    x = 456,878.71

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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.