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Finding the Fourth Proportional to 554,758.58, 832,161.56 and 217,872.25

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Solution

The fourth proportional to 554,758.58, 832,161.56 and 217,872.25 is: 326,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,758.58 : 832,161.56 = 217,872.25 : x
  2. Step 2: Convert to fraction form
    554,758.58/832,161.56 = 217,872.25/x
  3. Step 3: Cross multiply
    554,758.58x = 832,161.56 × 217,872.25
  4. Step 4: Simplify right side
    554,758.58x = 181,304,907,279.90
  5. Step 5: Solve for x
    x = 181,304,907,279.90/554,758.58
  6. Step 6: Final answer
    x = 326,817.67

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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.