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Finding the Fourth Proportional to 606,124.62, 909,391.05 and 381,220.02

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Solution

The fourth proportional to 606,124.62, 909,391.05 and 381,220.02 is: 571,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,124.62 : 909,391.05 = 381,220.02 : x
  2. Step 2: Convert to fraction form
    606,124.62/909,391.05 = 381,220.02/x
  3. Step 3: Cross multiply
    606,124.62x = 909,391.05 × 381,220.02
  4. Step 4: Simplify right side
    606,124.62x = 346,678,074,268.82
  5. Step 5: Solve for x
    x = 346,678,074,268.82/606,124.62
  6. Step 6: Final answer
    x = 571,958.41

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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.