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Finding the Fourth Proportional to 408,073.40, 612,110.10 and 366,739.10

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Solution

The fourth proportional to 408,073.40, 612,110.10 and 366,739.10 is: 550,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,073.40 : 612,110.10 = 366,739.10 : x
  2. Step 2: Convert to fraction form
    408,073.40/612,110.10 = 366,739.10/x
  3. Step 3: Cross multiply
    408,073.40x = 612,110.10 × 366,739.10
  4. Step 4: Simplify right side
    408,073.40x = 224,484,707,174.91
  5. Step 5: Solve for x
    x = 224,484,707,174.91/408,073.40
  6. Step 6: Final answer
    x = 550,108.65

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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.