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Finding the Fourth Proportional to 323,614.80, 486,005.40 and 234,968.40

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Solution

The fourth proportional to 323,614.80, 486,005.40 and 234,968.40 is: 352,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,614.80 : 486,005.40 = 234,968.40 : x
  2. Step 2: Convert to fraction form
    323,614.80/486,005.40 = 234,968.40/x
  3. Step 3: Cross multiply
    323,614.80x = 486,005.40 × 234,968.40
  4. Step 4: Simplify right side
    323,614.80x = 114,195,911,229.36
  5. Step 5: Solve for x
    x = 114,195,911,229.36/323,614.80
  6. Step 6: Final answer
    x = 352,876.05

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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.