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Finding the Fourth Proportional to 536,499.10, 804,856.65 and 157,419.10

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Solution

The fourth proportional to 536,499.10, 804,856.65 and 157,419.10 is: 236,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,499.10 : 804,856.65 = 157,419.10 : x
  2. Step 2: Convert to fraction form
    536,499.10/804,856.65 = 157,419.10/x
  3. Step 3: Cross multiply
    536,499.10x = 804,856.65 × 157,419.10
  4. Step 4: Simplify right side
    536,499.10x = 126,699,809,472.02
  5. Step 5: Solve for x
    x = 126,699,809,472.02/536,499.10
  6. Step 6: Final answer
    x = 236,160.34

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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.