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Finding the Fourth Proportional to 614,656.78, 848,222.84 and 342,727.94

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Solution

The fourth proportional to 614,656.78, 848,222.84 and 342,727.94 is: 472,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,656.78 : 848,222.84 = 342,727.94 : x
  2. Step 2: Convert to fraction form
    614,656.78/848,222.84 = 342,727.94/x
  3. Step 3: Cross multiply
    614,656.78x = 848,222.84 × 342,727.94
  4. Step 4: Simplify right side
    614,656.78x = 290,709,669,591.53
  5. Step 5: Solve for x
    x = 290,709,669,591.53/614,656.78
  6. Step 6: Final answer
    x = 472,962.60

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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.