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Finding the Fourth Proportional to 439,476.25, 606,460.39 and 248,493.64

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Solution

The fourth proportional to 439,476.25, 606,460.39 and 248,493.64 is: 342,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,476.25 : 606,460.39 = 248,493.64 : x
  2. Step 2: Convert to fraction form
    439,476.25/606,460.39 = 248,493.64/x
  3. Step 3: Cross multiply
    439,476.25x = 606,460.39 × 248,493.64
  4. Step 4: Simplify right side
    439,476.25x = 150,701,549,826.92
  5. Step 5: Solve for x
    x = 150,701,549,826.92/439,476.25
  6. Step 6: Final answer
    x = 342,911.70

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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.