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Finding the Fourth Proportional to 360,016.80, 540,608.40 and 202,552.80

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Solution

The fourth proportional to 360,016.80, 540,608.40 and 202,552.80 is: 304,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,016.80 : 540,608.40 = 202,552.80 : x
  2. Step 2: Convert to fraction form
    360,016.80/540,608.40 = 202,552.80/x
  3. Step 3: Cross multiply
    360,016.80x = 540,608.40 × 202,552.80
  4. Step 4: Simplify right side
    360,016.80x = 109,501,745,123.52
  5. Step 5: Solve for x
    x = 109,501,745,123.52/360,016.80
  6. Step 6: Final answer
    x = 304,157.32

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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.