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Finding the Fourth Proportional to 325,504.40, 485,816.22 and 304,246.76

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Solution

The fourth proportional to 325,504.40, 485,816.22 and 304,246.76 is: 454,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,504.40 : 485,816.22 = 304,246.76 : x
  2. Step 2: Convert to fraction form
    325,504.40/485,816.22 = 304,246.76/x
  3. Step 3: Cross multiply
    325,504.40x = 485,816.22 × 304,246.76
  4. Step 4: Simplify right side
    325,504.40x = 147,808,010,890.45
  5. Step 5: Solve for x
    x = 147,808,010,890.45/325,504.40
  6. Step 6: Final answer
    x = 454,089.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.