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Finding the Fourth Proportional to 568,200.36, 784,160.82 and 326,567.28

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Solution

The fourth proportional to 568,200.36, 784,160.82 and 326,567.28 is: 450,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,200.36 : 784,160.82 = 326,567.28 : x
  2. Step 2: Convert to fraction form
    568,200.36/784,160.82 = 326,567.28/x
  3. Step 3: Cross multiply
    568,200.36x = 784,160.82 × 326,567.28
  4. Step 4: Simplify right side
    568,200.36x = 256,081,266,069.97
  5. Step 5: Solve for x
    x = 256,081,266,069.97/568,200.36
  6. Step 6: Final answer
    x = 450,688.32

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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.