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Finding the Fourth Proportional to 653,665.80, 980,555.25 and 180,351.11

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Solution

The fourth proportional to 653,665.80, 980,555.25 and 180,351.11 is: 270,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,665.80 : 980,555.25 = 180,351.11 : x
  2. Step 2: Convert to fraction form
    653,665.80/980,555.25 = 180,351.11/x
  3. Step 3: Cross multiply
    653,665.80x = 980,555.25 × 180,351.11
  4. Step 4: Simplify right side
    653,665.80x = 176,844,223,844.20
  5. Step 5: Solve for x
    x = 176,844,223,844.20/653,665.80
  6. Step 6: Final answer
    x = 270,542.26

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1.5x scale

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.