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Finding the Fourth Proportional to 317,599.71, 476,597.07 and 197,891.70

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Solution

The fourth proportional to 317,599.71, 476,597.07 and 197,891.70 is: 296,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,599.71 : 476,597.07 = 197,891.70 : x
  2. Step 2: Convert to fraction form
    317,599.71/476,597.07 = 197,891.70/x
  3. Step 3: Cross multiply
    317,599.71x = 476,597.07 × 197,891.70
  4. Step 4: Simplify right side
    317,599.71x = 94,314,604,397.32
  5. Step 5: Solve for x
    x = 94,314,604,397.32/317,599.71
  6. Step 6: Final answer
    x = 296,960.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.