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Finding the Fourth Proportional to 532,958.98, 735,558.41 and 339,304.83

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Solution

The fourth proportional to 532,958.98, 735,558.41 and 339,304.83 is: 468,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,958.98 : 735,558.41 = 339,304.83 : x
  2. Step 2: Convert to fraction form
    532,958.98/735,558.41 = 339,304.83/x
  3. Step 3: Cross multiply
    532,958.98x = 735,558.41 × 339,304.83
  4. Step 4: Simplify right side
    532,958.98x = 249,578,521,260.12
  5. Step 5: Solve for x
    x = 249,578,521,260.12/532,958.98
  6. Step 6: Final answer
    x = 468,288.42

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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.