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Finding the Fourth Proportional to 247,288.04, 371,005.98 and 175,379.48

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Solution

The fourth proportional to 247,288.04, 371,005.98 and 175,379.48 is: 263,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,288.04 : 371,005.98 = 175,379.48 : x
  2. Step 2: Convert to fraction form
    247,288.04/371,005.98 = 175,379.48/x
  3. Step 3: Cross multiply
    247,288.04x = 371,005.98 × 175,379.48
  4. Step 4: Simplify right side
    247,288.04x = 65,066,835,849.29
  5. Step 5: Solve for x
    x = 65,066,835,849.29/247,288.04
  6. Step 6: Final answer
    x = 263,121.64

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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.