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Finding the Fourth Proportional to 360,113.94, 540,197.19 and 123,454.62

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Solution

The fourth proportional to 360,113.94, 540,197.19 and 123,454.62 is: 185,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,113.94 : 540,197.19 = 123,454.62 : x
  2. Step 2: Convert to fraction form
    360,113.94/540,197.19 = 123,454.62/x
  3. Step 3: Cross multiply
    360,113.94x = 540,197.19 × 123,454.62
  4. Step 4: Simplify right side
    360,113.94x = 66,689,838,816.52
  5. Step 5: Solve for x
    x = 66,689,838,816.52/360,113.94
  6. Step 6: Final answer
    x = 185,190.94

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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.