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Finding the Fourth Proportional to 614,687.30, 921,399.44 and 235,505.24

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Solution

The fourth proportional to 614,687.30, 921,399.44 and 235,505.24 is: 353,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,687.30 : 921,399.44 = 235,505.24 : x
  2. Step 2: Convert to fraction form
    614,687.30/921,399.44 = 235,505.24/x
  3. Step 3: Cross multiply
    614,687.30x = 921,399.44 × 235,505.24
  4. Step 4: Simplify right side
    614,687.30x = 216,994,396,253.07
  5. Step 5: Solve for x
    x = 216,994,396,253.07/614,687.30
  6. Step 6: Final answer
    x = 353,015.91

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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.