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Finding the Fourth Proportional to 269,840.44, 372,411.30 and 224,438.32

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Solution

The fourth proportional to 269,840.44, 372,411.30 and 224,438.32 is: 309,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,840.44 : 372,411.30 = 224,438.32 : x
  2. Step 2: Convert to fraction form
    269,840.44/372,411.30 = 224,438.32/x
  3. Step 3: Cross multiply
    269,840.44x = 372,411.30 × 224,438.32
  4. Step 4: Simplify right side
    269,840.44x = 83,583,366,521.02
  5. Step 5: Solve for x
    x = 83,583,366,521.02/269,840.44
  6. Step 6: Final answer
    x = 309,751.08

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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.