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Finding the Fourth Proportional to 573,688.36, 791,675.94 and 331,937.38

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Solution

The fourth proportional to 573,688.36, 791,675.94 and 331,937.38 is: 458,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,688.36 : 791,675.94 = 331,937.38 : x
  2. Step 2: Convert to fraction form
    573,688.36/791,675.94 = 331,937.38/x
  3. Step 3: Cross multiply
    573,688.36x = 791,675.94 × 331,937.38
  4. Step 4: Simplify right side
    573,688.36x = 262,786,837,332.64
  5. Step 5: Solve for x
    x = 262,786,837,332.64/573,688.36
  6. Step 6: Final answer
    x = 458,065.49

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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.