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Finding the Fourth Proportional to 340,706.72, 470,168.91 and 187,759.07

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Solution

The fourth proportional to 340,706.72, 470,168.91 and 187,759.07 is: 259,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,706.72 : 470,168.91 = 187,759.07 : x
  2. Step 2: Convert to fraction form
    340,706.72/470,168.91 = 187,759.07/x
  3. Step 3: Cross multiply
    340,706.72x = 470,168.91 × 187,759.07
  4. Step 4: Simplify right side
    340,706.72x = 88,278,477,284.51
  5. Step 5: Solve for x
    x = 88,278,477,284.51/340,706.72
  6. Step 6: Final answer
    x = 259,104.01

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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.