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Finding the Fourth Proportional to 347,234.30, 520,851.45 and 207,266.30

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Solution

The fourth proportional to 347,234.30, 520,851.45 and 207,266.30 is: 310,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,234.30 : 520,851.45 = 207,266.30 : x
  2. Step 2: Convert to fraction form
    347,234.30/520,851.45 = 207,266.30/x
  3. Step 3: Cross multiply
    347,234.30x = 520,851.45 × 207,266.30
  4. Step 4: Simplify right side
    347,234.30x = 107,954,952,891.14
  5. Step 5: Solve for x
    x = 107,954,952,891.14/347,234.30
  6. Step 6: Final answer
    x = 310,899.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.