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Finding the Fourth Proportional to 423,656.52, 584,534.34 and 251,529

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Solution

The fourth proportional to 423,656.52, 584,534.34 and 251,529 is: 347,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,656.52 : 584,534.34 = 251,529 : x
  2. Step 2: Convert to fraction form
    423,656.52/584,534.34 = 251,529/x
  3. Step 3: Cross multiply
    423,656.52x = 584,534.34 × 251,529
  4. Step 4: Simplify right side
    423,656.52x = 147,027,338,005.86
  5. Step 5: Solve for x
    x = 147,027,338,005.86/423,656.52
  6. Step 6: Final answer
    x = 347,043.73

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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.