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Finding the Fourth Proportional to 536,539.60, 804,917.40 and 157,459.60

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Solution

The fourth proportional to 536,539.60, 804,917.40 and 157,459.60 is: 236,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,539.60 : 804,917.40 = 157,459.60 : x
  2. Step 2: Convert to fraction form
    536,539.60/804,917.40 = 157,459.60/x
  3. Step 3: Cross multiply
    536,539.60x = 804,917.40 × 157,459.60
  4. Step 4: Simplify right side
    536,539.60x = 126,741,971,837.04
  5. Step 5: Solve for x
    x = 126,741,971,837.04/536,539.60
  6. Step 6: Final answer
    x = 236,221.10

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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.