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Finding the Fourth Proportional to 568,180.91, 784,133.91 and 326,547.78

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Solution

The fourth proportional to 568,180.91, 784,133.91 and 326,547.78 is: 450,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,180.91 : 784,133.91 = 326,547.78 : x
  2. Step 2: Convert to fraction form
    568,180.91/784,133.91 = 326,547.78/x
  3. Step 3: Cross multiply
    568,180.91x = 784,133.91 × 326,547.78
  4. Step 4: Simplify right side
    568,180.91x = 256,057,187,533.22
  5. Step 5: Solve for x
    x = 256,057,187,533.22/568,180.91
  6. Step 6: Final answer
    x = 450,661.37

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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.