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Finding the Fourth Proportional to 245,116.40, 367,674.60 and 243,366.80

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Solution

The fourth proportional to 245,116.40, 367,674.60 and 243,366.80 is: 365,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,116.40 : 367,674.60 = 243,366.80 : x
  2. Step 2: Convert to fraction form
    245,116.40/367,674.60 = 243,366.80/x
  3. Step 3: Cross multiply
    245,116.40x = 367,674.60 × 243,366.80
  4. Step 4: Simplify right side
    245,116.40x = 89,479,790,843.28
  5. Step 5: Solve for x
    x = 89,479,790,843.28/245,116.40
  6. Step 6: Final answer
    x = 365,050.20

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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.