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Finding the Fourth Proportional to 340,820.93, 470,330.55 and 187,859.25

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Solution

The fourth proportional to 340,820.93, 470,330.55 and 187,859.25 is: 259,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,820.93 : 470,330.55 = 187,859.25 : x
  2. Step 2: Convert to fraction form
    340,820.93/470,330.55 = 187,859.25/x
  3. Step 3: Cross multiply
    340,820.93x = 470,330.55 × 187,859.25
  4. Step 4: Simplify right side
    340,820.93x = 88,355,944,375.09
  5. Step 5: Solve for x
    x = 88,355,944,375.09/340,820.93
  6. Step 6: Final answer
    x = 259,244.48

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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.