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Finding the Fourth Proportional to 637,149.43, 879,269.34 and 365,233.65

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Solution

The fourth proportional to 637,149.43, 879,269.34 and 365,233.65 is: 504,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,149.43 : 879,269.34 = 365,233.65 : x
  2. Step 2: Convert to fraction form
    637,149.43/879,269.34 = 365,233.65/x
  3. Step 3: Cross multiply
    637,149.43x = 879,269.34 × 365,233.65
  4. Step 4: Simplify right side
    637,149.43x = 321,138,750,381.29
  5. Step 5: Solve for x
    x = 321,138,750,381.29/637,149.43
  6. Step 6: Final answer
    x = 504,024.23

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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.