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Finding the Fourth Proportional to 363,438.56, 501,545.23 and 202,290.15

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Solution

The fourth proportional to 363,438.56, 501,545.23 and 202,290.15 is: 279,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,438.56 : 501,545.23 = 202,290.15 : x
  2. Step 2: Convert to fraction form
    363,438.56/501,545.23 = 202,290.15/x
  3. Step 3: Cross multiply
    363,438.56x = 501,545.23 × 202,290.15
  4. Step 4: Simplify right side
    363,438.56x = 101,457,657,300.76
  5. Step 5: Solve for x
    x = 101,457,657,300.76/363,438.56
  6. Step 6: Final answer
    x = 279,160.41

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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.