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Finding the Fourth Proportional to 404,231.70, 606,347.55 and 384,548.70

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Solution

The fourth proportional to 404,231.70, 606,347.55 and 384,548.70 is: 576,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,231.70 : 606,347.55 = 384,548.70 : x
  2. Step 2: Convert to fraction form
    404,231.70/606,347.55 = 384,548.70/x
  3. Step 3: Cross multiply
    404,231.70x = 606,347.55 × 384,548.70
  4. Step 4: Simplify right side
    404,231.70x = 233,170,162,100.69
  5. Step 5: Solve for x
    x = 233,170,162,100.69/404,231.70
  6. Step 6: Final answer
    x = 576,823.05

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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.