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Finding the Fourth Proportional to 750,958.16, 1,036,322.12 and 449,223.44

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Solution

The fourth proportional to 750,958.16, 1,036,322.12 and 449,223.44 is: 619,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,958.16 : 1,036,322.12 = 449,223.44 : x
  2. Step 2: Convert to fraction form
    750,958.16/1,036,322.12 = 449,223.44/x
  3. Step 3: Cross multiply
    750,958.16x = 1,036,322.12 × 449,223.44
  4. Step 4: Simplify right side
    750,958.16x = 465,540,187,694.49
  5. Step 5: Solve for x
    x = 465,540,187,694.49/750,958.16
  6. Step 6: Final answer
    x = 619,928.26

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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.