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Finding the Fourth Proportional to 614,628.85, 848,125.83 and 342,671.17

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Solution

The fourth proportional to 614,628.85, 848,125.83 and 342,671.17 is: 472,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,628.85 : 848,125.83 = 342,671.17 : x
  2. Step 2: Convert to fraction form
    614,628.85/848,125.83 = 342,671.17/x
  3. Step 3: Cross multiply
    614,628.85x = 848,125.83 × 342,671.17
  4. Step 4: Simplify right side
    614,628.85x = 290,628,270,473.32
  5. Step 5: Solve for x
    x = 290,628,270,473.32/614,628.85
  6. Step 6: Final answer
    x = 472,851.66

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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.