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Finding the Fourth Proportional to 614,656.52, 848,235.06 and 342,716.36

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Solution

The fourth proportional to 614,656.52, 848,235.06 and 342,716.36 is: 472,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,656.52 : 848,235.06 = 342,716.36 : x
  2. Step 2: Convert to fraction form
    614,656.52/848,235.06 = 342,716.36/x
  3. Step 3: Cross multiply
    614,656.52x = 848,235.06 × 342,716.36
  4. Step 4: Simplify right side
    614,656.52x = 290,704,032,187.58
  5. Step 5: Solve for x
    x = 290,704,032,187.58/614,656.52
  6. Step 6: Final answer
    x = 472,953.63

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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.