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Finding the Fourth Proportional to 363,887.40, 545,831.10 and 332,394.60

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Solution

The fourth proportional to 363,887.40, 545,831.10 and 332,394.60 is: 498,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,887.40 : 545,831.10 = 332,394.60 : x
  2. Step 2: Convert to fraction form
    363,887.40/545,831.10 = 332,394.60/x
  3. Step 3: Cross multiply
    363,887.40x = 545,831.10 × 332,394.60
  4. Step 4: Simplify right side
    363,887.40x = 181,431,310,152.06
  5. Step 5: Solve for x
    x = 181,431,310,152.06/363,887.40
  6. Step 6: Final answer
    x = 498,591.90

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Similar ratio
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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.