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Finding the Fourth Proportional to 304,497.30, 456,713.13 and 79,880.25

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Solution

The fourth proportional to 304,497.30, 456,713.13 and 79,880.25 is: 119,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,497.30 : 456,713.13 = 79,880.25 : x
  2. Step 2: Convert to fraction form
    304,497.30/456,713.13 = 79,880.25/x
  3. Step 3: Cross multiply
    304,497.30x = 456,713.13 × 79,880.25
  4. Step 4: Simplify right side
    304,497.30x = 36,482,359,002.68
  5. Step 5: Solve for x
    x = 36,482,359,002.68/304,497.30
  6. Step 6: Final answer
    x = 119,811.77

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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.