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Finding the Fourth Proportional to 408,964.05, 564,357.56 and 236,885.37

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Solution

The fourth proportional to 408,964.05, 564,357.56 and 236,885.37 is: 326,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,964.05 : 564,357.56 = 236,885.37 : x
  2. Step 2: Convert to fraction form
    408,964.05/564,357.56 = 236,885.37/x
  3. Step 3: Cross multiply
    408,964.05x = 564,357.56 × 236,885.37
  4. Step 4: Simplify right side
    408,964.05x = 133,688,051,063.28
  5. Step 5: Solve for x
    x = 133,688,051,063.28/408,964.05
  6. Step 6: Final answer
    x = 326,894.39

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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.