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Finding the Fourth Proportional to 552,384.12, 762,175.80 and 322,897.08

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Solution

The fourth proportional to 552,384.12, 762,175.80 and 322,897.08 is: 445,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,384.12 : 762,175.80 = 322,897.08 : x
  2. Step 2: Convert to fraction form
    552,384.12/762,175.80 = 322,897.08/x
  3. Step 3: Cross multiply
    552,384.12x = 762,175.80 × 322,897.08
  4. Step 4: Simplify right side
    552,384.12x = 246,104,340,266.66
  5. Step 5: Solve for x
    x = 246,104,340,266.66/552,384.12
  6. Step 6: Final answer
    x = 445,531.16

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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.