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Finding the Fourth Proportional to 220,545.57, 304,766.63 and 180,244.64

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Solution

The fourth proportional to 220,545.57, 304,766.63 and 180,244.64 is: 249,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,545.57 : 304,766.63 = 180,244.64 : x
  2. Step 2: Convert to fraction form
    220,545.57/304,766.63 = 180,244.64/x
  3. Step 3: Cross multiply
    220,545.57x = 304,766.63 × 180,244.64
  4. Step 4: Simplify right side
    220,545.57x = 54,932,549,083.31
  5. Step 5: Solve for x
    x = 54,932,549,083.31/220,545.57
  6. Step 6: Final answer
    x = 249,075.73

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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.