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Finding the Fourth Proportional to 368,314.98, 552,472.47 and 243,626.82

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Solution

The fourth proportional to 368,314.98, 552,472.47 and 243,626.82 is: 365,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,314.98 : 552,472.47 = 243,626.82 : x
  2. Step 2: Convert to fraction form
    368,314.98/552,472.47 = 243,626.82/x
  3. Step 3: Cross multiply
    368,314.98x = 552,472.47 × 243,626.82
  4. Step 4: Simplify right side
    368,314.98x = 134,597,111,003.65
  5. Step 5: Solve for x
    x = 134,597,111,003.65/368,314.98
  6. Step 6: Final answer
    x = 365,440.23

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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.