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Finding the Fourth Proportional to 216,831.80, 326,025.30 and 182,617.40

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Solution

The fourth proportional to 216,831.80, 326,025.30 and 182,617.40 is: 274,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,831.80 : 326,025.30 = 182,617.40 : x
  2. Step 2: Convert to fraction form
    216,831.80/326,025.30 = 182,617.40/x
  3. Step 3: Cross multiply
    216,831.80x = 326,025.30 × 182,617.40
  4. Step 4: Simplify right side
    216,831.80x = 59,537,892,620.22
  5. Step 5: Solve for x
    x = 59,537,892,620.22/216,831.80
  6. Step 6: Final answer
    x = 274,581.00

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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.