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Finding the Fourth Proportional to 573,425.11, 791,424.44 and 331,854.76

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Solution

The fourth proportional to 573,425.11, 791,424.44 and 331,854.76 is: 458,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,425.11 : 791,424.44 = 331,854.76 : x
  2. Step 2: Convert to fraction form
    573,425.11/791,424.44 = 331,854.76/x
  3. Step 3: Cross multiply
    573,425.11x = 791,424.44 × 331,854.76
  4. Step 4: Simplify right side
    573,425.11x = 262,637,967,594.33
  5. Step 5: Solve for x
    x = 262,637,967,594.33/573,425.11
  6. Step 6: Final answer
    x = 458,016.16

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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.