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Finding the Fourth Proportional to 552,249.69, 762,089.34 and 310,526.04

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Solution

The fourth proportional to 552,249.69, 762,089.34 and 310,526.04 is: 428,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,249.69 : 762,089.34 = 310,526.04 : x
  2. Step 2: Convert to fraction form
    552,249.69/762,089.34 = 310,526.04/x
  3. Step 3: Cross multiply
    552,249.69x = 762,089.34 × 310,526.04
  4. Step 4: Simplify right side
    552,249.69x = 236,648,584,876.41
  5. Step 5: Solve for x
    x = 236,648,584,876.41/552,249.69
  6. Step 6: Final answer
    x = 428,517.37

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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.