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Finding the Fourth Proportional to 701,332.08, 967,601.88 and 399,312.24

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Solution

The fourth proportional to 701,332.08, 967,601.88 and 399,312.24 is: 550,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,332.08 : 967,601.88 = 399,312.24 : x
  2. Step 2: Convert to fraction form
    701,332.08/967,601.88 = 399,312.24/x
  3. Step 3: Cross multiply
    701,332.08x = 967,601.88 × 399,312.24
  4. Step 4: Simplify right side
    701,332.08x = 386,375,274,131.01
  5. Step 5: Solve for x
    x = 386,375,274,131.01/701,332.08
  6. Step 6: Final answer
    x = 550,916.30

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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.