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Finding the Fourth Proportional to 606,885.44, 910,330.32 and 207,814.64

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Solution

The fourth proportional to 606,885.44, 910,330.32 and 207,814.64 is: 311,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,885.44 : 910,330.32 = 207,814.64 : x
  2. Step 2: Convert to fraction form
    606,885.44/910,330.32 = 207,814.64/x
  3. Step 3: Cross multiply
    606,885.44x = 910,330.32 × 207,814.64
  4. Step 4: Simplify right side
    606,885.44x = 189,179,967,731.89
  5. Step 5: Solve for x
    x = 189,179,967,731.89/606,885.44
  6. Step 6: Final answer
    x = 311,722.70

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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.