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Finding the Fourth Proportional to 600,478.65, 900,576.48 and 221,193.42

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Solution

The fourth proportional to 600,478.65, 900,576.48 and 221,193.42 is: 331,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,478.65 : 900,576.48 = 221,193.42 : x
  2. Step 2: Convert to fraction form
    600,478.65/900,576.48 = 221,193.42/x
  3. Step 3: Cross multiply
    600,478.65x = 900,576.48 × 221,193.42
  4. Step 4: Simplify right side
    600,478.65x = 199,201,591,582.76
  5. Step 5: Solve for x
    x = 199,201,591,582.76/600,478.65
  6. Step 6: Final answer
    x = 331,738.01

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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.