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Finding the Fourth Proportional to 439,437.36, 606,399.84 and 248,439.36

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Solution

The fourth proportional to 439,437.36, 606,399.84 and 248,439.36 is: 342,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,437.36 : 606,399.84 = 248,439.36 : x
  2. Step 2: Convert to fraction form
    439,437.36/606,399.84 = 248,439.36/x
  3. Step 3: Cross multiply
    439,437.36x = 606,399.84 × 248,439.36
  4. Step 4: Simplify right side
    439,437.36x = 150,653,588,153.70
  5. Step 5: Solve for x
    x = 150,653,588,153.70/439,437.36
  6. Step 6: Final answer
    x = 342,832.91

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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.