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Finding the Fourth Proportional to 536,507.20, 804,760.80 and 162,530.20

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Solution

The fourth proportional to 536,507.20, 804,760.80 and 162,530.20 is: 243,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,507.20 : 804,760.80 = 162,530.20 : x
  2. Step 2: Convert to fraction form
    536,507.20/804,760.80 = 162,530.20/x
  3. Step 3: Cross multiply
    536,507.20x = 804,760.80 × 162,530.20
  4. Step 4: Simplify right side
    536,507.20x = 130,797,933,776.16
  5. Step 5: Solve for x
    x = 130,797,933,776.16/536,507.20
  6. Step 6: Final answer
    x = 243,795.30

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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.