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Finding the Fourth Proportional to 250,312.98, 345,763.17 and 186,540.06

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Solution

The fourth proportional to 250,312.98, 345,763.17 and 186,540.06 is: 257,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,312.98 : 345,763.17 = 186,540.06 : x
  2. Step 2: Convert to fraction form
    250,312.98/345,763.17 = 186,540.06/x
  3. Step 3: Cross multiply
    250,312.98x = 345,763.17 × 186,540.06
  4. Step 4: Simplify right side
    250,312.98x = 64,498,682,477.59
  5. Step 5: Solve for x
    x = 64,498,682,477.59/250,312.98
  6. Step 6: Final answer
    x = 257,672.14

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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.