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Finding the Fourth Proportional to 585,865.89, 808,487.65 and 344,170.49

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Solution

The fourth proportional to 585,865.89, 808,487.65 and 344,170.49 is: 474,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,865.89 : 808,487.65 = 344,170.49 : x
  2. Step 2: Convert to fraction form
    585,865.89/808,487.65 = 344,170.49/x
  3. Step 3: Cross multiply
    585,865.89x = 808,487.65 × 344,170.49
  4. Step 4: Simplify right side
    585,865.89x = 278,257,591,820.24
  5. Step 5: Solve for x
    x = 278,257,591,820.24/585,865.89
  6. Step 6: Final answer
    x = 474,951.00

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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.