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Finding the Fourth Proportional to 599,139.12, 826,817.58 and 341,003.40

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Solution

The fourth proportional to 599,139.12, 826,817.58 and 341,003.40 is: 470,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,139.12 : 826,817.58 = 341,003.40 : x
  2. Step 2: Convert to fraction form
    599,139.12/826,817.58 = 341,003.40/x
  3. Step 3: Cross multiply
    599,139.12x = 826,817.58 × 341,003.40
  4. Step 4: Simplify right side
    599,139.12x = 281,947,605,959.77
  5. Step 5: Solve for x
    x = 281,947,605,959.77/599,139.12
  6. Step 6: Final answer
    x = 470,587.88

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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.