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Finding the Fourth Proportional to 866,112.32, 1,195,213.92 and 484,184

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Solution

The fourth proportional to 866,112.32, 1,195,213.92 and 484,184 is: 668,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,112.32 : 1,195,213.92 = 484,184 : x
  2. Step 2: Convert to fraction form
    866,112.32/1,195,213.92 = 484,184/x
  3. Step 3: Cross multiply
    866,112.32x = 1,195,213.92 × 484,184
  4. Step 4: Simplify right side
    866,112.32x = 578,703,456,641.28
  5. Step 5: Solve for x
    x = 578,703,456,641.28/866,112.32
  6. Step 6: Final answer
    x = 668,162.13

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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.