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Finding the Fourth Proportional to 617,198.88, 851,627.34 and 362,602.92

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Solution

The fourth proportional to 617,198.88, 851,627.34 and 362,602.92 is: 500,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,198.88 : 851,627.34 = 362,602.92 : x
  2. Step 2: Convert to fraction form
    617,198.88/851,627.34 = 362,602.92/x
  3. Step 3: Cross multiply
    617,198.88x = 851,627.34 × 362,602.92
  4. Step 4: Simplify right side
    617,198.88x = 308,802,560,235.83
  5. Step 5: Solve for x
    x = 308,802,560,235.83/617,198.88
  6. Step 6: Final answer
    x = 500,329.10

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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.