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Finding the Fourth Proportional to 585,881.30, 878,821.95 and 555,963.14

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Solution

The fourth proportional to 585,881.30, 878,821.95 and 555,963.14 is: 833,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,881.30 : 878,821.95 = 555,963.14 : x
  2. Step 2: Convert to fraction form
    585,881.30/878,821.95 = 555,963.14/x
  3. Step 3: Cross multiply
    585,881.30x = 878,821.95 × 555,963.14
  4. Step 4: Simplify right side
    585,881.30x = 488,592,615,104.84
  5. Step 5: Solve for x
    x = 488,592,615,104.84/585,881.30
  6. Step 6: Final answer
    x = 833,944.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.