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Finding the Fourth Proportional to 568,117.44, 784,000.44 and 313,466.40

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Solution

The fourth proportional to 568,117.44, 784,000.44 and 313,466.40 is: 432,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,117.44 : 784,000.44 = 313,466.40 : x
  2. Step 2: Convert to fraction form
    568,117.44/784,000.44 = 313,466.40/x
  3. Step 3: Cross multiply
    568,117.44x = 784,000.44 × 313,466.40
  4. Step 4: Simplify right side
    568,117.44x = 245,757,795,525.22
  5. Step 5: Solve for x
    x = 245,757,795,525.22/568,117.44
  6. Step 6: Final answer
    x = 432,582.73

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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.