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Finding the Fourth Proportional to 331,064.20, 496,661.10 and 141,524.20

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Solution

The fourth proportional to 331,064.20, 496,661.10 and 141,524.20 is: 212,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,064.20 : 496,661.10 = 141,524.20 : x
  2. Step 2: Convert to fraction form
    331,064.20/496,661.10 = 141,524.20/x
  3. Step 3: Cross multiply
    331,064.20x = 496,661.10 × 141,524.20
  4. Step 4: Simplify right side
    331,064.20x = 70,289,564,848.62
  5. Step 5: Solve for x
    x = 70,289,564,848.62/331,064.20
  6. Step 6: Final answer
    x = 212,314.00

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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.