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Finding the Fourth Proportional to 568,506.28, 784,449.29 and 326,742.17

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Solution

The fourth proportional to 568,506.28, 784,449.29 and 326,742.17 is: 450,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,506.28 : 784,449.29 = 326,742.17 : x
  2. Step 2: Convert to fraction form
    568,506.28/784,449.29 = 326,742.17/x
  3. Step 3: Cross multiply
    568,506.28x = 784,449.29 × 326,742.17
  4. Step 4: Simplify right side
    568,506.28x = 256,312,657,713.60
  5. Step 5: Solve for x
    x = 256,312,657,713.60/568,506.28
  6. Step 6: Final answer
    x = 450,852.82

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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.