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Finding the Fourth Proportional to 443,040.92, 611,214.44 and 328,601.13

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Solution

The fourth proportional to 443,040.92, 611,214.44 and 328,601.13 is: 453,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,040.92 : 611,214.44 = 328,601.13 : x
  2. Step 2: Convert to fraction form
    443,040.92/611,214.44 = 328,601.13/x
  3. Step 3: Cross multiply
    443,040.92x = 611,214.44 × 328,601.13
  4. Step 4: Simplify right side
    443,040.92x = 200,845,755,656.32
  5. Step 5: Solve for x
    x = 200,845,755,656.32/443,040.92
  6. Step 6: Final answer
    x = 453,334.55

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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.