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Finding the Fourth Proportional to 325,848.30, 488,772.45 and 266,750.70

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Solution

The fourth proportional to 325,848.30, 488,772.45 and 266,750.70 is: 400,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,848.30 : 488,772.45 = 266,750.70 : x
  2. Step 2: Convert to fraction form
    325,848.30/488,772.45 = 266,750.70/x
  3. Step 3: Cross multiply
    325,848.30x = 488,772.45 × 266,750.70
  4. Step 4: Simplify right side
    325,848.30x = 130,380,393,178.22
  5. Step 5: Solve for x
    x = 130,380,393,178.22/325,848.30
  6. Step 6: Final answer
    x = 400,126.05

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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.