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Finding the Fourth Proportional to 568,450.14, 784,461.33 and 313,801.50

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Solution

The fourth proportional to 568,450.14, 784,461.33 and 313,801.50 is: 433,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,450.14 : 784,461.33 = 313,801.50 : x
  2. Step 2: Convert to fraction form
    568,450.14/784,461.33 = 313,801.50/x
  3. Step 3: Cross multiply
    568,450.14x = 784,461.33 × 313,801.50
  4. Step 4: Simplify right side
    568,450.14x = 246,165,142,046.00
  5. Step 5: Solve for x
    x = 246,165,142,046.00/568,450.14
  6. Step 6: Final answer
    x = 433,046.15

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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.