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Finding the Fourth Proportional to 355,680.80, 533,549.20 and 119,024.40

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Solution

The fourth proportional to 355,680.80, 533,549.20 and 119,024.40 is: 178,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,680.80 : 533,549.20 = 119,024.40 : x
  2. Step 2: Convert to fraction form
    355,680.80/533,549.20 = 119,024.40/x
  3. Step 3: Cross multiply
    355,680.80x = 533,549.20 × 119,024.40
  4. Step 4: Simplify right side
    355,680.80x = 63,505,373,400.48
  5. Step 5: Solve for x
    x = 63,505,373,400.48/355,680.80
  6. Step 6: Final answer
    x = 178,545.97

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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.