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Finding the Fourth Proportional to 568,449.69, 784,440.01 and 313,795.41

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Solution

The fourth proportional to 568,449.69, 784,440.01 and 313,795.41 is: 433,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,449.69 : 784,440.01 = 313,795.41 : x
  2. Step 2: Convert to fraction form
    568,449.69/784,440.01 = 313,795.41/x
  3. Step 3: Cross multiply
    568,449.69x = 784,440.01 × 313,795.41
  4. Step 4: Simplify right side
    568,449.69x = 246,153,674,558.35
  5. Step 5: Solve for x
    x = 246,153,674,558.35/568,449.69
  6. Step 6: Final answer
    x = 433,026.32

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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.