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Finding the Fourth Proportional to 413,372.59, 619,817.57 and 160,357.45

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Solution

The fourth proportional to 413,372.59, 619,817.57 and 160,357.45 is: 240,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,372.59 : 619,817.57 = 160,357.45 : x
  2. Step 2: Convert to fraction form
    413,372.59/619,817.57 = 160,357.45/x
  3. Step 3: Cross multiply
    413,372.59x = 619,817.57 × 160,357.45
  4. Step 4: Simplify right side
    413,372.59x = 99,392,362,659.33
  5. Step 5: Solve for x
    x = 99,392,362,659.33/413,372.59
  6. Step 6: Final answer
    x = 240,442.56

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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.