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Finding the Fourth Proportional to 353,737.92, 488,452.20 and 328,095.48

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Solution

The fourth proportional to 353,737.92, 488,452.20 and 328,095.48 is: 453,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,737.92 : 488,452.20 = 328,095.48 : x
  2. Step 2: Convert to fraction form
    353,737.92/488,452.20 = 328,095.48/x
  3. Step 3: Cross multiply
    353,737.92x = 488,452.20 × 328,095.48
  4. Step 4: Simplify right side
    353,737.92x = 160,258,959,016.06
  5. Step 5: Solve for x
    x = 160,258,959,016.06/353,737.92
  6. Step 6: Final answer
    x = 453,044.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.