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Finding the Fourth Proportional to 304,493.80, 456,740.70 and 94,131.40

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Solution

The fourth proportional to 304,493.80, 456,740.70 and 94,131.40 is: 141,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,493.80 : 456,740.70 = 94,131.40 : x
  2. Step 2: Convert to fraction form
    304,493.80/456,740.70 = 94,131.40/x
  3. Step 3: Cross multiply
    304,493.80x = 456,740.70 × 94,131.40
  4. Step 4: Simplify right side
    304,493.80x = 42,993,641,527.98
  5. Step 5: Solve for x
    x = 42,993,641,527.98/304,493.80
  6. Step 6: Final answer
    x = 141,197.10

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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.