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Finding the Fourth Proportional to 594,071.28, 891,340.20 and 261,414

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Solution

The fourth proportional to 594,071.28, 891,340.20 and 261,414 is: 392,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,071.28 : 891,340.20 = 261,414 : x
  2. Step 2: Convert to fraction form
    594,071.28/891,340.20 = 261,414/x
  3. Step 3: Cross multiply
    594,071.28x = 891,340.20 × 261,414
  4. Step 4: Simplify right side
    594,071.28x = 233,008,807,042.80
  5. Step 5: Solve for x
    x = 233,008,807,042.80/594,071.28
  6. Step 6: Final answer
    x = 392,223.65

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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.