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Finding the Fourth Proportional to 614,722.52, 848,377.55 and 372,986.12

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Solution

The fourth proportional to 614,722.52, 848,377.55 and 372,986.12 is: 514,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,722.52 : 848,377.55 = 372,986.12 : x
  2. Step 2: Convert to fraction form
    614,722.52/848,377.55 = 372,986.12/x
  3. Step 3: Cross multiply
    614,722.52x = 848,377.55 × 372,986.12
  4. Step 4: Simplify right side
    614,722.52x = 316,433,050,669.61
  5. Step 5: Solve for x
    x = 316,433,050,669.61/614,722.52
  6. Step 6: Final answer
    x = 514,757.54

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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.