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Finding the Fourth Proportional to 323,520.26, 485,280.39 and 98,881.34

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Solution

The fourth proportional to 323,520.26, 485,280.39 and 98,881.34 is: 148,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,520.26 : 485,280.39 = 98,881.34 : x
  2. Step 2: Convert to fraction form
    323,520.26/485,280.39 = 98,881.34/x
  3. Step 3: Cross multiply
    323,520.26x = 485,280.39 × 98,881.34
  4. Step 4: Simplify right side
    323,520.26x = 47,985,175,238.92
  5. Step 5: Solve for x
    x = 47,985,175,238.92/323,520.26
  6. Step 6: Final answer
    x = 148,322.01

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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.