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Finding the Fourth Proportional to 608,867.72, 840,575.32 and 367,211.78

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Solution

The fourth proportional to 608,867.72, 840,575.32 and 367,211.78 is: 506,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,867.72 : 840,575.32 = 367,211.78 : x
  2. Step 2: Convert to fraction form
    608,867.72/840,575.32 = 367,211.78/x
  3. Step 3: Cross multiply
    608,867.72x = 840,575.32 × 367,211.78
  4. Step 4: Simplify right side
    608,867.72x = 308,669,159,481.27
  5. Step 5: Solve for x
    x = 308,669,159,481.27/608,867.72
  6. Step 6: Final answer
    x = 506,956.03

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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.