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Finding the Fourth Proportional to 439,512.96, 606,322.95 and 284,514.39

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Solution

The fourth proportional to 439,512.96, 606,322.95 and 284,514.39 is: 392,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,512.96 : 606,322.95 = 284,514.39 : x
  2. Step 2: Convert to fraction form
    439,512.96/606,322.95 = 284,514.39/x
  3. Step 3: Cross multiply
    439,512.96x = 606,322.95 × 284,514.39
  4. Step 4: Simplify right side
    439,512.96x = 172,507,604,262.25
  5. Step 5: Solve for x
    x = 172,507,604,262.25/439,512.96
  6. Step 6: Final answer
    x = 392,497.20

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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.