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Finding the Fourth Proportional to 225,534.80, 337,330.20 and 202,012.40

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Solution

The fourth proportional to 225,534.80, 337,330.20 and 202,012.40 is: 302,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,534.80 : 337,330.20 = 202,012.40 : x
  2. Step 2: Convert to fraction form
    225,534.80/337,330.20 = 202,012.40/x
  3. Step 3: Cross multiply
    225,534.80x = 337,330.20 × 202,012.40
  4. Step 4: Simplify right side
    225,534.80x = 68,144,883,294.48
  5. Step 5: Solve for x
    x = 68,144,883,294.48/225,534.80
  6. Step 6: Final answer
    x = 302,147.98

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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.