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Finding the Fourth Proportional to 315,463.24, 472,801.04 and 157,736.80

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Solution

The fourth proportional to 315,463.24, 472,801.04 and 157,736.80 is: 236,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,463.24 : 472,801.04 = 157,736.80 : x
  2. Step 2: Convert to fraction form
    315,463.24/472,801.04 = 157,736.80/x
  3. Step 3: Cross multiply
    315,463.24x = 472,801.04 × 157,736.80
  4. Step 4: Simplify right side
    315,463.24x = 74,578,123,086.27
  5. Step 5: Solve for x
    x = 74,578,123,086.27/315,463.24
  6. Step 6: Final answer
    x = 236,408.28

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1.5x scale

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.