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Finding the Fourth Proportional to 377,601.87, 521,105.36 and 207,851.79

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Solution

The fourth proportional to 377,601.87, 521,105.36 and 207,851.79 is: 286,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,601.87 : 521,105.36 = 207,851.79 : x
  2. Step 2: Convert to fraction form
    377,601.87/521,105.36 = 207,851.79/x
  3. Step 3: Cross multiply
    377,601.87x = 521,105.36 × 207,851.79
  4. Step 4: Simplify right side
    377,601.87x = 108,312,680,815.34
  5. Step 5: Solve for x
    x = 108,312,680,815.34/377,601.87
  6. Step 6: Final answer
    x = 286,843.60

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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.