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Finding the Fourth Proportional to 341,643.20, 511,687.20 and 333,867.20

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Solution

The fourth proportional to 341,643.20, 511,687.20 and 333,867.20 is: 500,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,643.20 : 511,687.20 = 333,867.20 : x
  2. Step 2: Convert to fraction form
    341,643.20/511,687.20 = 333,867.20/x
  3. Step 3: Cross multiply
    341,643.20x = 511,687.20 × 333,867.20
  4. Step 4: Simplify right side
    341,643.20x = 170,835,572,739.84
  5. Step 5: Solve for x
    x = 170,835,572,739.84/341,643.20
  6. Step 6: Final answer
    x = 500,040.90

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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.