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Finding the Fourth Proportional to 439,415.84, 606,404.13 and 248,440.52

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Solution

The fourth proportional to 439,415.84, 606,404.13 and 248,440.52 is: 342,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,415.84 : 606,404.13 = 248,440.52 : x
  2. Step 2: Convert to fraction form
    439,415.84/606,404.13 = 248,440.52/x
  3. Step 3: Cross multiply
    439,415.84x = 606,404.13 × 248,440.52
  4. Step 4: Simplify right side
    439,415.84x = 150,655,357,387.35
  5. Step 5: Solve for x
    x = 150,655,357,387.35/439,415.84
  6. Step 6: Final answer
    x = 342,853.72

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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.