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Finding the Fourth Proportional to 250,545.48, 345,551.88 and 220,266.60

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Solution

The fourth proportional to 250,545.48, 345,551.88 and 220,266.60 is: 303,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,545.48 : 345,551.88 = 220,266.60 : x
  2. Step 2: Convert to fraction form
    250,545.48/345,551.88 = 220,266.60/x
  3. Step 3: Cross multiply
    250,545.48x = 345,551.88 × 220,266.60
  4. Step 4: Simplify right side
    250,545.48x = 76,113,537,731.21
  5. Step 5: Solve for x
    x = 76,113,537,731.21/250,545.48
  6. Step 6: Final answer
    x = 303,791.30

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1.5x scale

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.