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Finding the Fourth Proportional to 664,549.56, 996,838.50 and 238,113.24

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Solution

The fourth proportional to 664,549.56, 996,838.50 and 238,113.24 is: 357,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,549.56 : 996,838.50 = 238,113.24 : x
  2. Step 2: Convert to fraction form
    664,549.56/996,838.50 = 238,113.24/x
  3. Step 3: Cross multiply
    664,549.56x = 996,838.50 × 238,113.24
  4. Step 4: Simplify right side
    664,549.56x = 237,360,444,991.74
  5. Step 5: Solve for x
    x = 237,360,444,991.74/664,549.56
  6. Step 6: Final answer
    x = 357,174.93

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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.