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Finding the Fourth Proportional to 416,841.09, 626,098.61 and 248,689.95

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Solution

The fourth proportional to 416,841.09, 626,098.61 and 248,689.95 is: 373,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,841.09 : 626,098.61 = 248,689.95 : x
  2. Step 2: Convert to fraction form
    416,841.09/626,098.61 = 248,689.95/x
  3. Step 3: Cross multiply
    416,841.09x = 626,098.61 × 248,689.95
  4. Step 4: Simplify right side
    416,841.09x = 155,704,430,289.83
  5. Step 5: Solve for x
    x = 155,704,430,289.83/416,841.09
  6. Step 6: Final answer
    x = 373,534.27

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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.