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Finding the Fourth Proportional to 324,934.88, 448,460.88 and 197,650.40

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Solution

The fourth proportional to 324,934.88, 448,460.88 and 197,650.40 is: 272,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,934.88 : 448,460.88 = 197,650.40 : x
  2. Step 2: Convert to fraction form
    324,934.88/448,460.88 = 197,650.40/x
  3. Step 3: Cross multiply
    324,934.88x = 448,460.88 × 197,650.40
  4. Step 4: Simplify right side
    324,934.88x = 88,638,472,316.35
  5. Step 5: Solve for x
    x = 88,638,472,316.35/324,934.88
  6. Step 6: Final answer
    x = 272,788.42

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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.