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Finding the Fourth Proportional to 323,818.40, 485,727.60 and 183,850.40

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Solution

The fourth proportional to 323,818.40, 485,727.60 and 183,850.40 is: 275,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,818.40 : 485,727.60 = 183,850.40 : x
  2. Step 2: Convert to fraction form
    323,818.40/485,727.60 = 183,850.40/x
  3. Step 3: Cross multiply
    323,818.40x = 485,727.60 × 183,850.40
  4. Step 4: Simplify right side
    323,818.40x = 89,301,213,551.04
  5. Step 5: Solve for x
    x = 89,301,213,551.04/323,818.40
  6. Step 6: Final answer
    x = 275,775.60

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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.