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Finding the Fourth Proportional to 629,795.65, 944,693.49 and 209,071.52

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Solution

The fourth proportional to 629,795.65, 944,693.49 and 209,071.52 is: 313,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,795.65 : 944,693.49 = 209,071.52 : x
  2. Step 2: Convert to fraction form
    629,795.65/944,693.49 = 209,071.52/x
  3. Step 3: Cross multiply
    629,795.65x = 944,693.49 × 209,071.52
  4. Step 4: Simplify right side
    629,795.65x = 197,508,503,888.41
  5. Step 5: Solve for x
    x = 197,508,503,888.41/629,795.65
  6. Step 6: Final answer
    x = 313,607.28

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Double scale
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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.