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Finding the Fourth Proportional to 568,008.64, 783,797.46 and 313,343.42

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Solution

The fourth proportional to 568,008.64, 783,797.46 and 313,343.42 is: 432,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,008.64 : 783,797.46 = 313,343.42 : x
  2. Step 2: Convert to fraction form
    568,008.64/783,797.46 = 313,343.42/x
  3. Step 3: Cross multiply
    568,008.64x = 783,797.46 × 313,343.42
  4. Step 4: Simplify right side
    568,008.64x = 245,597,776,703.71
  5. Step 5: Solve for x
    x = 245,597,776,703.71/568,008.64
  6. Step 6: Final answer
    x = 432,383.88

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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.