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Finding the Fourth Proportional to 573,424.11, 791,423.06 and 331,853.76

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Solution

The fourth proportional to 573,424.11, 791,423.06 and 331,853.76 is: 458,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,424.11 : 791,423.06 = 331,853.76 : x
  2. Step 2: Convert to fraction form
    573,424.11/791,423.06 = 331,853.76/x
  3. Step 3: Cross multiply
    573,424.11x = 791,423.06 × 331,853.76
  4. Step 4: Simplify right side
    573,424.11x = 262,636,716,552.44
  5. Step 5: Solve for x
    x = 262,636,716,552.44/573,424.11
  6. Step 6: Final answer
    x = 458,014.78

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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.