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Finding the Fourth Proportional to 617,976.75, 852,736.14 and 359,910.08

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Solution

The fourth proportional to 617,976.75, 852,736.14 and 359,910.08 is: 496,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,976.75 : 852,736.14 = 359,910.08 : x
  2. Step 2: Convert to fraction form
    617,976.75/852,736.14 = 359,910.08/x
  3. Step 3: Cross multiply
    617,976.75x = 852,736.14 × 359,910.08
  4. Step 4: Simplify right side
    617,976.75x = 306,908,328,102.61
  5. Step 5: Solve for x
    x = 306,908,328,102.61/617,976.75
  6. Step 6: Final answer
    x = 496,634.10

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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.