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Finding the Fourth Proportional to 332,245.40, 498,368.10 and 243,015.80

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Solution

The fourth proportional to 332,245.40, 498,368.10 and 243,015.80 is: 364,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,245.40 : 498,368.10 = 243,015.80 : x
  2. Step 2: Convert to fraction form
    332,245.40/498,368.10 = 243,015.80/x
  3. Step 3: Cross multiply
    332,245.40x = 498,368.10 × 243,015.80
  4. Step 4: Simplify right side
    332,245.40x = 121,111,322,515.98
  5. Step 5: Solve for x
    x = 121,111,322,515.98/332,245.40
  6. Step 6: Final answer
    x = 364,523.70

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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.