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Finding the Fourth Proportional to 447,575.83, 617,707.33 and 251,374.59

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Solution

The fourth proportional to 447,575.83, 617,707.33 and 251,374.59 is: 346,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,575.83 : 617,707.33 = 251,374.59 : x
  2. Step 2: Convert to fraction form
    447,575.83/617,707.33 = 251,374.59/x
  3. Step 3: Cross multiply
    447,575.83x = 617,707.33 × 251,374.59
  4. Step 4: Simplify right side
    447,575.83x = 155,275,926,190.31
  5. Step 5: Solve for x
    x = 155,275,926,190.31/447,575.83
  6. Step 6: Final answer
    x = 346,926.52

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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.