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Finding the Fourth Proportional to 532,790.78, 798,627.98 and 248,246.71

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Solution

The fourth proportional to 532,790.78, 798,627.98 and 248,246.71 is: 372,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,790.78 : 798,627.98 = 248,246.71 : x
  2. Step 2: Convert to fraction form
    532,790.78/798,627.98 = 248,246.71/x
  3. Step 3: Cross multiply
    532,790.78x = 798,627.98 × 248,246.71
  4. Step 4: Simplify right side
    532,790.78x = 198,256,765,776.61
  5. Step 5: Solve for x
    x = 198,256,765,776.61/532,790.78
  6. Step 6: Final answer
    x = 372,109.98

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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.