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Finding the Fourth Proportional to 552,657.28, 762,695.04 and 326,297.92

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Solution

The fourth proportional to 552,657.28, 762,695.04 and 326,297.92 is: 450,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,657.28 : 762,695.04 = 326,297.92 : x
  2. Step 2: Convert to fraction form
    552,657.28/762,695.04 = 326,297.92/x
  3. Step 3: Cross multiply
    552,657.28x = 762,695.04 × 326,297.92
  4. Step 4: Simplify right side
    552,657.28x = 248,865,805,146.32
  5. Step 5: Solve for x
    x = 248,865,805,146.32/552,657.28
  6. Step 6: Final answer
    x = 450,307.66

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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.