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Finding the Fourth Proportional to 627,999.60, 941,707.80 and 272,830.80

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Solution

The fourth proportional to 627,999.60, 941,707.80 and 272,830.80 is: 409,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,999.60 : 941,707.80 = 272,830.80 : x
  2. Step 2: Convert to fraction form
    627,999.60/941,707.80 = 272,830.80/x
  3. Step 3: Cross multiply
    627,999.60x = 941,707.80 × 272,830.80
  4. Step 4: Simplify right side
    627,999.60x = 256,926,892,440.24
  5. Step 5: Solve for x
    x = 256,926,892,440.24/627,999.60
  6. Step 6: Final answer
    x = 409,119.52

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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.