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Finding the Fourth Proportional to 499,995.56, 750,071.25 and 162,958.01

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Solution

The fourth proportional to 499,995.56, 750,071.25 and 162,958.01 is: 244,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,995.56 : 750,071.25 = 162,958.01 : x
  2. Step 2: Convert to fraction form
    499,995.56/750,071.25 = 162,958.01/x
  3. Step 3: Cross multiply
    499,995.56x = 750,071.25 × 162,958.01
  4. Step 4: Simplify right side
    499,995.56x = 122,230,114,507.86
  5. Step 5: Solve for x
    x = 122,230,114,507.86/499,995.56
  6. Step 6: Final answer
    x = 244,462.40

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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.