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Finding the Fourth Proportional to 552,642.80, 828,964.20 and 552,642.80

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Solution

The fourth proportional to 552,642.80, 828,964.20 and 552,642.80 is: 828,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,642.80 : 828,964.20 = 552,642.80 : x
  2. Step 2: Convert to fraction form
    552,642.80/828,964.20 = 552,642.80/x
  3. Step 3: Cross multiply
    552,642.80x = 828,964.20 × 552,642.80
  4. Step 4: Simplify right side
    552,642.80x = 458,121,096,587.76
  5. Step 5: Solve for x
    x = 458,121,096,587.76/552,642.80
  6. Step 6: Final answer
    x = 828,964.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.