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Finding the Fourth Proportional to 374,451.57, 561,677.36 and 125,133.57

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Solution

The fourth proportional to 374,451.57, 561,677.36 and 125,133.57 is: 187,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,451.57 : 561,677.36 = 125,133.57 : x
  2. Step 2: Convert to fraction form
    374,451.57/561,677.36 = 125,133.57/x
  3. Step 3: Cross multiply
    374,451.57x = 561,677.36 × 125,133.57
  4. Step 4: Simplify right side
    374,451.57x = 70,284,692,619.31
  5. Step 5: Solve for x
    x = 70,284,692,619.31/374,451.57
  6. Step 6: Final answer
    x = 187,700.36

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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.