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Finding the Fourth Proportional to 244,641.40, 366,962.10 and 169,991.80

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Solution

The fourth proportional to 244,641.40, 366,962.10 and 169,991.80 is: 254,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,641.40 : 366,962.10 = 169,991.80 : x
  2. Step 2: Convert to fraction form
    244,641.40/366,962.10 = 169,991.80/x
  3. Step 3: Cross multiply
    244,641.40x = 366,962.10 × 169,991.80
  4. Step 4: Simplify right side
    244,641.40x = 62,380,547,910.78
  5. Step 5: Solve for x
    x = 62,380,547,910.78/244,641.40
  6. Step 6: Final answer
    x = 254,987.70

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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.