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Finding the Fourth Proportional to 317,208.30, 437,706.97 and 181,251.06

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Solution

The fourth proportional to 317,208.30, 437,706.97 and 181,251.06 is: 250,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,208.30 : 437,706.97 = 181,251.06 : x
  2. Step 2: Convert to fraction form
    317,208.30/437,706.97 = 181,251.06/x
  3. Step 3: Cross multiply
    317,208.30x = 437,706.97 × 181,251.06
  4. Step 4: Simplify right side
    317,208.30x = 79,334,852,281.89
  5. Step 5: Solve for x
    x = 79,334,852,281.89/317,208.30
  6. Step 6: Final answer
    x = 250,103.33

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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.