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Finding the Fourth Proportional to 629,507.30, 944,259.78 and 197,257.86

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Solution

The fourth proportional to 629,507.30, 944,259.78 and 197,257.86 is: 295,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,507.30 : 944,259.78 = 197,257.86 : x
  2. Step 2: Convert to fraction form
    629,507.30/944,259.78 = 197,257.86/x
  3. Step 3: Cross multiply
    629,507.30x = 944,259.78 × 197,257.86
  4. Step 4: Simplify right side
    629,507.30x = 186,262,663,486.87
  5. Step 5: Solve for x
    x = 186,262,663,486.87/629,507.30
  6. Step 6: Final answer
    x = 295,886.42

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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.