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Finding the Fourth Proportional to 374,500.80, 559,634.40 and 269,524.80

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Solution

The fourth proportional to 374,500.80, 559,634.40 and 269,524.80 is: 402,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,500.80 : 559,634.40 = 269,524.80 : x
  2. Step 2: Convert to fraction form
    374,500.80/559,634.40 = 269,524.80/x
  3. Step 3: Cross multiply
    374,500.80x = 559,634.40 × 269,524.80
  4. Step 4: Simplify right side
    374,500.80x = 150,835,349,733.12
  5. Step 5: Solve for x
    x = 150,835,349,733.12/374,500.80
  6. Step 6: Final answer
    x = 402,763.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.