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Finding the Fourth Proportional to 323,960.32, 485,940.48 and 166,088.08

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Solution

The fourth proportional to 323,960.32, 485,940.48 and 166,088.08 is: 249,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,960.32 : 485,940.48 = 166,088.08 : x
  2. Step 2: Convert to fraction form
    323,960.32/485,940.48 = 166,088.08/x
  3. Step 3: Cross multiply
    323,960.32x = 485,940.48 × 166,088.08
  4. Step 4: Simplify right side
    323,960.32x = 80,708,921,317.48
  5. Step 5: Solve for x
    x = 80,708,921,317.48/323,960.32
  6. Step 6: Final answer
    x = 249,132.12

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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.