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Finding the Fourth Proportional to 247,607.40, 342,018.74 and 204,759.97

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Solution

The fourth proportional to 247,607.40, 342,018.74 and 204,759.97 is: 282,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,607.40 : 342,018.74 = 204,759.97 : x
  2. Step 2: Convert to fraction form
    247,607.40/342,018.74 = 204,759.97/x
  3. Step 3: Cross multiply
    247,607.40x = 342,018.74 × 204,759.97
  4. Step 4: Simplify right side
    247,607.40x = 70,031,746,598.69
  5. Step 5: Solve for x
    x = 70,031,746,598.69/247,607.40
  6. Step 6: Final answer
    x = 282,833.81

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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.