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Finding the Fourth Proportional to 548,233.60, 821,121.60 and 327,049.60

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Solution

The fourth proportional to 548,233.60, 821,121.60 and 327,049.60 is: 489,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,233.60 : 821,121.60 = 327,049.60 : x
  2. Step 2: Convert to fraction form
    548,233.60/821,121.60 = 327,049.60/x
  3. Step 3: Cross multiply
    548,233.60x = 821,121.60 × 327,049.60
  4. Step 4: Simplify right side
    548,233.60x = 268,547,490,831.36
  5. Step 5: Solve for x
    x = 268,547,490,831.36/548,233.60
  6. Step 6: Final answer
    x = 489,841.36

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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.