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Finding the Fourth Proportional to 568,304.48, 784,229.52 and 353,438.48

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Solution

The fourth proportional to 568,304.48, 784,229.52 and 353,438.48 is: 487,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,304.48 : 784,229.52 = 353,438.48 : x
  2. Step 2: Convert to fraction form
    568,304.48/784,229.52 = 353,438.48/x
  3. Step 3: Cross multiply
    568,304.48x = 784,229.52 × 353,438.48
  4. Step 4: Simplify right side
    568,304.48x = 277,176,889,519.93
  5. Step 5: Solve for x
    x = 277,176,889,519.93/568,304.48
  6. Step 6: Final answer
    x = 487,726.03

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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.