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Finding the Fourth Proportional to 439,437.52, 606,440.11 and 248,439.52

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Solution

The fourth proportional to 439,437.52, 606,440.11 and 248,439.52 is: 342,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,437.52 : 606,440.11 = 248,439.52 : x
  2. Step 2: Convert to fraction form
    439,437.52/606,440.11 = 248,439.52/x
  3. Step 3: Cross multiply
    439,437.52x = 606,440.11 × 248,439.52
  4. Step 4: Simplify right side
    439,437.52x = 150,663,687,699.95
  5. Step 5: Solve for x
    x = 150,663,687,699.95/439,437.52
  6. Step 6: Final answer
    x = 342,855.77

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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.