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Finding the Fourth Proportional to 374,678.20, 562,201.81 and 174,969.56

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Solution

The fourth proportional to 374,678.20, 562,201.81 and 174,969.56 is: 262,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,678.20 : 562,201.81 = 174,969.56 : x
  2. Step 2: Convert to fraction form
    374,678.20/562,201.81 = 174,969.56/x
  3. Step 3: Cross multiply
    374,678.20x = 562,201.81 × 174,969.56
  4. Step 4: Simplify right side
    374,678.20x = 98,368,203,326.90
  5. Step 5: Solve for x
    x = 98,368,203,326.90/374,678.20
  6. Step 6: Final answer
    x = 262,540.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.