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Finding the Fourth Proportional to 425,499.92, 638,249.92 and 248,006.24

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Solution

The fourth proportional to 425,499.92, 638,249.92 and 248,006.24 is: 372,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,499.92 : 638,249.92 = 248,006.24 : x
  2. Step 2: Convert to fraction form
    425,499.92/638,249.92 = 248,006.24/x
  3. Step 3: Cross multiply
    425,499.92x = 638,249.92 × 248,006.24
  4. Step 4: Simplify right side
    425,499.92x = 158,289,962,839.50
  5. Step 5: Solve for x
    x = 158,289,962,839.50/425,499.92
  6. Step 6: Final answer
    x = 372,009.38

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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.