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Finding the Fourth Proportional to 1,867,002.46, 2,799,343.86 and 786,959.36

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Solution

The fourth proportional to 1,867,002.46, 2,799,343.86 and 786,959.36 is: 1,179,950.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,002.46 : 2,799,343.86 = 786,959.36 : x
  2. Step 2: Convert to fraction form
    1,867,002.46/2,799,343.86 = 786,959.36/x
  3. Step 3: Cross multiply
    1,867,002.46x = 2,799,343.86 × 786,959.36
  4. Step 4: Simplify right side
    1,867,002.46x = 2,202,969,852,485.53
  5. Step 5: Solve for x
    x = 2,202,969,852,485.53/1,867,002.46
  6. Step 6: Final answer
    x = 1,179,950.16

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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.