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Finding the Fourth Proportional to 532,647.08, 735,049.22 and 290,929.71

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Solution

The fourth proportional to 532,647.08, 735,049.22 and 290,929.71 is: 401,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,647.08 : 735,049.22 = 290,929.71 : x
  2. Step 2: Convert to fraction form
    532,647.08/735,049.22 = 290,929.71/x
  3. Step 3: Cross multiply
    532,647.08x = 735,049.22 × 290,929.71
  4. Step 4: Simplify right side
    532,647.08x = 213,847,654,955.68
  5. Step 5: Solve for x
    x = 213,847,654,955.68/532,647.08
  6. Step 6: Final answer
    x = 401,480.95

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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.