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Finding the Fourth Proportional to 255,704.81, 384,398.07 and 237,208.15

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Solution

The fourth proportional to 255,704.81, 384,398.07 and 237,208.15 is: 356,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,704.81 : 384,398.07 = 237,208.15 : x
  2. Step 2: Convert to fraction form
    255,704.81/384,398.07 = 237,208.15/x
  3. Step 3: Cross multiply
    255,704.81x = 384,398.07 × 237,208.15
  4. Step 4: Simplify right side
    255,704.81x = 91,182,354,976.81
  5. Step 5: Solve for x
    x = 91,182,354,976.81/255,704.81
  6. Step 6: Final answer
    x = 356,592.25

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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.