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Finding the Fourth Proportional to 304,314.80, 456,751.20 and 154,659.20

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Solution

The fourth proportional to 304,314.80, 456,751.20 and 154,659.20 is: 232,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,314.80 : 456,751.20 = 154,659.20 : x
  2. Step 2: Convert to fraction form
    304,314.80/456,751.20 = 154,659.20/x
  3. Step 3: Cross multiply
    304,314.80x = 456,751.20 × 154,659.20
  4. Step 4: Simplify right side
    304,314.80x = 70,640,775,191.04
  5. Step 5: Solve for x
    x = 70,640,775,191.04/304,314.80
  6. Step 6: Final answer
    x = 232,130.59

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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.