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Finding the Fourth Proportional to 437,436.78, 603,662.70 and 236,232.78

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Solution

The fourth proportional to 437,436.78, 603,662.70 and 236,232.78 is: 326,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,436.78 : 603,662.70 = 236,232.78 : x
  2. Step 2: Convert to fraction form
    437,436.78/603,662.70 = 236,232.78/x
  3. Step 3: Cross multiply
    437,436.78x = 603,662.70 × 236,232.78
  4. Step 4: Simplify right side
    437,436.78x = 142,604,917,803.31
  5. Step 5: Solve for x
    x = 142,604,917,803.31/437,436.78
  6. Step 6: Final answer
    x = 326,001.21

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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.