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Finding the Fourth Proportional to 614,656.72, 848,222.77 and 342,727.87

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Solution

The fourth proportional to 614,656.72, 848,222.77 and 342,727.87 is: 472,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,656.72 : 848,222.77 = 342,727.87 : x
  2. Step 2: Convert to fraction form
    614,656.72/848,222.77 = 342,727.87/x
  3. Step 3: Cross multiply
    614,656.72x = 848,222.77 × 342,727.87
  4. Step 4: Simplify right side
    614,656.72x = 290,709,582,390.78
  5. Step 5: Solve for x
    x = 290,709,582,390.78/614,656.72
  6. Step 6: Final answer
    x = 472,962.51

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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.