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Finding the Fourth Proportional to 614,753.22, 848,363.09 and 342,838.29

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Solution

The fourth proportional to 614,753.22, 848,363.09 and 342,838.29 is: 473,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,753.22 : 848,363.09 = 342,838.29 : x
  2. Step 2: Convert to fraction form
    614,753.22/848,363.09 = 342,838.29/x
  3. Step 3: Cross multiply
    614,753.22x = 848,363.09 × 342,838.29
  4. Step 4: Simplify right side
    614,753.22x = 290,851,349,360.53
  5. Step 5: Solve for x
    x = 290,851,349,360.53/614,753.22
  6. Step 6: Final answer
    x = 473,118.87

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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.