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Finding the Fourth Proportional to 617,235.73, 851,750.95 and 345,251.14

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Solution

The fourth proportional to 617,235.73, 851,750.95 and 345,251.14 is: 476,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,235.73 : 851,750.95 = 345,251.14 : x
  2. Step 2: Convert to fraction form
    617,235.73/851,750.95 = 345,251.14/x
  3. Step 3: Cross multiply
    617,235.73x = 851,750.95 × 345,251.14
  4. Step 4: Simplify right side
    617,235.73x = 294,067,986,483.58
  5. Step 5: Solve for x
    x = 294,067,986,483.58/617,235.73
  6. Step 6: Final answer
    x = 476,427.36

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1.5x scale

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.