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Finding the Fourth Proportional to 622,956.48, 934,138.80 and 323,136.60

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Solution

The fourth proportional to 622,956.48, 934,138.80 and 323,136.60 is: 484,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,956.48 : 934,138.80 = 323,136.60 : x
  2. Step 2: Convert to fraction form
    622,956.48/934,138.80 = 323,136.60/x
  3. Step 3: Cross multiply
    622,956.48x = 934,138.80 × 323,136.60
  4. Step 4: Simplify right side
    622,956.48x = 301,854,435,760.08
  5. Step 5: Solve for x
    x = 301,854,435,760.08/622,956.48
  6. Step 6: Final answer
    x = 484,551.40

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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.