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Finding the Fourth Proportional to 293,650.07, 440,475.10 and 127,438.07

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Solution

The fourth proportional to 293,650.07, 440,475.10 and 127,438.07 is: 191,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,650.07 : 440,475.10 = 127,438.07 : x
  2. Step 2: Convert to fraction form
    293,650.07/440,475.10 = 127,438.07/x
  3. Step 3: Cross multiply
    293,650.07x = 440,475.10 × 127,438.07
  4. Step 4: Simplify right side
    293,650.07x = 56,133,293,787.49
  5. Step 5: Solve for x
    x = 56,133,293,787.49/293,650.07
  6. Step 6: Final answer
    x = 191,157.10

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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.