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Finding the Fourth Proportional to 552,568.39, 762,536.77 and 310,850.89

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Solution

The fourth proportional to 552,568.39, 762,536.77 and 310,850.89 is: 428,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,568.39 : 762,536.77 = 310,850.89 : x
  2. Step 2: Convert to fraction form
    552,568.39/762,536.77 = 310,850.89/x
  3. Step 3: Cross multiply
    552,568.39x = 762,536.77 × 310,850.89
  4. Step 4: Simplify right side
    552,568.39x = 237,035,233,612.23
  5. Step 5: Solve for x
    x = 237,035,233,612.23/552,568.39
  6. Step 6: Final answer
    x = 428,969.95

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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.