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Finding the Fourth Proportional to 295,401.92, 407,701.44 and 187,859.84

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Solution

The fourth proportional to 295,401.92, 407,701.44 and 187,859.84 is: 259,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,401.92 : 407,701.44 = 187,859.84 : x
  2. Step 2: Convert to fraction form
    295,401.92/407,701.44 = 187,859.84/x
  3. Step 3: Cross multiply
    295,401.92x = 407,701.44 × 187,859.84
  4. Step 4: Simplify right side
    295,401.92x = 76,590,727,286.17
  5. Step 5: Solve for x
    x = 76,590,727,286.17/295,401.92
  6. Step 6: Final answer
    x = 259,276.34

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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.