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Finding the Fourth Proportional to 826,627.80, 1,239,650.10 and 377,563.80

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Solution

The fourth proportional to 826,627.80, 1,239,650.10 and 377,563.80 is: 566,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,627.80 : 1,239,650.10 = 377,563.80 : x
  2. Step 2: Convert to fraction form
    826,627.80/1,239,650.10 = 377,563.80/x
  3. Step 3: Cross multiply
    826,627.80x = 1,239,650.10 × 377,563.80
  4. Step 4: Simplify right side
    826,627.80x = 468,047,002,426.38
  5. Step 5: Solve for x
    x = 468,047,002,426.38/826,627.80
  6. Step 6: Final answer
    x = 566,212.51

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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.