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Finding the Fourth Proportional to 255,625.60, 383,308.80 and 150,476.80

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Solution

The fourth proportional to 255,625.60, 383,308.80 and 150,476.80 is: 225,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,625.60 : 383,308.80 = 150,476.80 : x
  2. Step 2: Convert to fraction form
    255,625.60/383,308.80 = 150,476.80/x
  3. Step 3: Cross multiply
    255,625.60x = 383,308.80 × 150,476.80
  4. Step 4: Simplify right side
    255,625.60x = 57,679,081,635.84
  5. Step 5: Solve for x
    x = 57,679,081,635.84/255,625.60
  6. Step 6: Final answer
    x = 225,638.91

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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.