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Finding the Fourth Proportional to 585,930.60, 808,580.34 and 331,282.80

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Solution

The fourth proportional to 585,930.60, 808,580.34 and 331,282.80 is: 457,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,930.60 : 808,580.34 = 331,282.80 : x
  2. Step 2: Convert to fraction form
    585,930.60/808,580.34 = 331,282.80/x
  3. Step 3: Cross multiply
    585,930.60x = 808,580.34 × 331,282.80
  4. Step 4: Simplify right side
    585,930.60x = 267,868,759,060.15
  5. Step 5: Solve for x
    x = 267,868,759,060.15/585,930.60
  6. Step 6: Final answer
    x = 457,168.07

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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.