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Finding the Fourth Proportional to 331,240.40, 496,860.60 and 322,024.40

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Solution

The fourth proportional to 331,240.40, 496,860.60 and 322,024.40 is: 483,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,240.40 : 496,860.60 = 322,024.40 : x
  2. Step 2: Convert to fraction form
    331,240.40/496,860.60 = 322,024.40/x
  3. Step 3: Cross multiply
    331,240.40x = 496,860.60 × 322,024.40
  4. Step 4: Simplify right side
    331,240.40x = 160,001,236,598.64
  5. Step 5: Solve for x
    x = 160,001,236,598.64/331,240.40
  6. Step 6: Final answer
    x = 483,036.60

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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.