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Finding the Fourth Proportional to 360,438.41, 540,233.20 and 147,073.17

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Solution

The fourth proportional to 360,438.41, 540,233.20 and 147,073.17 is: 220,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,438.41 : 540,233.20 = 147,073.17 : x
  2. Step 2: Convert to fraction form
    360,438.41/540,233.20 = 147,073.17/x
  3. Step 3: Cross multiply
    360,438.41x = 540,233.20 × 147,073.17
  4. Step 4: Simplify right side
    360,438.41x = 79,453,807,606.86
  5. Step 5: Solve for x
    x = 79,453,807,606.86/360,438.41
  6. Step 6: Final answer
    x = 220,436.57

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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.