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Finding the Fourth Proportional to 313,474.78, 432,603.78 and 184,422.34

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Solution

The fourth proportional to 313,474.78, 432,603.78 and 184,422.34 is: 254,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,474.78 : 432,603.78 = 184,422.34 : x
  2. Step 2: Convert to fraction form
    313,474.78/432,603.78 = 184,422.34/x
  3. Step 3: Cross multiply
    313,474.78x = 432,603.78 × 184,422.34
  4. Step 4: Simplify right side
    313,474.78x = 79,781,801,400.45
  5. Step 5: Solve for x
    x = 79,781,801,400.45/313,474.78
  6. Step 6: Final answer
    x = 254,507.88

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1.5x scale

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.