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Finding the Fourth Proportional to 591,351.60, 887,027.40 and 291,878.40

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Solution

The fourth proportional to 591,351.60, 887,027.40 and 291,878.40 is: 437,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,351.60 : 887,027.40 = 291,878.40 : x
  2. Step 2: Convert to fraction form
    591,351.60/887,027.40 = 291,878.40/x
  3. Step 3: Cross multiply
    591,351.60x = 887,027.40 × 291,878.40
  4. Step 4: Simplify right side
    591,351.60x = 258,904,138,268.16
  5. Step 5: Solve for x
    x = 258,904,138,268.16/591,351.60
  6. Step 6: Final answer
    x = 437,817.60

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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.