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Finding the Fourth Proportional to 543,971.35, 750,367.72 and 339,667.57

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Solution

The fourth proportional to 543,971.35, 750,367.72 and 339,667.57 is: 468,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,971.35 : 750,367.72 = 339,667.57 : x
  2. Step 2: Convert to fraction form
    543,971.35/750,367.72 = 339,667.57/x
  3. Step 3: Cross multiply
    543,971.35x = 750,367.72 × 339,667.57
  4. Step 4: Simplify right side
    543,971.35x = 254,875,580,058.84
  5. Step 5: Solve for x
    x = 254,875,580,058.84/543,971.35
  6. Step 6: Final answer
    x = 468,545.96

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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.