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Finding the Fourth Proportional to 568,144.92, 784,323.84 and 353,354.22

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Solution

The fourth proportional to 568,144.92, 784,323.84 and 353,354.22 is: 487,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,144.92 : 784,323.84 = 353,354.22 : x
  2. Step 2: Convert to fraction form
    568,144.92/784,323.84 = 353,354.22/x
  3. Step 3: Cross multiply
    568,144.92x = 784,323.84 × 353,354.22
  4. Step 4: Simplify right side
    568,144.92x = 277,144,138,710.61
  5. Step 5: Solve for x
    x = 277,144,138,710.61/568,144.92
  6. Step 6: Final answer
    x = 487,805.36

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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.