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Finding the Fourth Proportional to 614,770.93, 848,388.78 and 342,856.36

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Solution

The fourth proportional to 614,770.93, 848,388.78 and 342,856.36 is: 473,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,770.93 : 848,388.78 = 342,856.36 : x
  2. Step 2: Convert to fraction form
    614,770.93/848,388.78 = 342,856.36/x
  3. Step 3: Cross multiply
    614,770.93x = 848,388.78 × 342,856.36
  4. Step 4: Simplify right side
    614,770.93x = 290,875,488,975.64
  5. Step 5: Solve for x
    x = 290,875,488,975.64/614,770.93
  6. Step 6: Final answer
    x = 473,144.51

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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.