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Finding the Fourth Proportional to 304,342.32, 456,266.08 and 126,981.48

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Solution

The fourth proportional to 304,342.32, 456,266.08 and 126,981.48 is: 190,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,342.32 : 456,266.08 = 126,981.48 : x
  2. Step 2: Convert to fraction form
    304,342.32/456,266.08 = 126,981.48/x
  3. Step 3: Cross multiply
    304,342.32x = 456,266.08 × 126,981.48
  4. Step 4: Simplify right side
    304,342.32x = 57,937,342,112.20
  5. Step 5: Solve for x
    x = 57,937,342,112.20/304,342.32
  6. Step 6: Final answer
    x = 190,369.00

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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.