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Finding the Fourth Proportional to 614,634.35, 848,133.33 and 342,676.72

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Solution

The fourth proportional to 614,634.35, 848,133.33 and 342,676.72 is: 472,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,634.35 : 848,133.33 = 342,676.72 : x
  2. Step 2: Convert to fraction form
    614,634.35/848,133.33 = 342,676.72/x
  3. Step 3: Cross multiply
    614,634.35x = 848,133.33 × 342,676.72
  4. Step 4: Simplify right side
    614,634.35x = 290,635,543,406.41
  5. Step 5: Solve for x
    x = 290,635,543,406.41/614,634.35
  6. Step 6: Final answer
    x = 472,859.26

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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.