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Finding the Fourth Proportional to 715,753, 1,073,635.98 and 217,117

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Solution

The fourth proportional to 715,753, 1,073,635.98 and 217,117 is: 325,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,753 : 1,073,635.98 = 217,117 : x
  2. Step 2: Convert to fraction form
    715,753/1,073,635.98 = 217,117/x
  3. Step 3: Cross multiply
    715,753x = 1,073,635.98 × 217,117
  4. Step 4: Simplify right side
    715,753x = 233,104,623,069.66
  5. Step 5: Solve for x
    x = 233,104,623,069.66/715,753
  6. Step 6: Final answer
    x = 325,677.47

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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.