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Finding the Fourth Proportional to 544,653.90, 815,036.85 and 345,069.90

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Solution

The fourth proportional to 544,653.90, 815,036.85 and 345,069.90 is: 516,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,653.90 : 815,036.85 = 345,069.90 : x
  2. Step 2: Convert to fraction form
    544,653.90/815,036.85 = 345,069.90/x
  3. Step 3: Cross multiply
    544,653.90x = 815,036.85 × 345,069.90
  4. Step 4: Simplify right side
    544,653.90x = 281,244,684,325.82
  5. Step 5: Solve for x
    x = 281,244,684,325.82/544,653.90
  6. Step 6: Final answer
    x = 516,373.21

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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.