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Finding the Fourth Proportional to 606,939.40, 910,507.58 and 227,889.96

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Solution

The fourth proportional to 606,939.40, 910,507.58 and 227,889.96 is: 341,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,939.40 : 910,507.58 = 227,889.96 : x
  2. Step 2: Convert to fraction form
    606,939.40/910,507.58 = 227,889.96/x
  3. Step 3: Cross multiply
    606,939.40x = 910,507.58 × 227,889.96
  4. Step 4: Simplify right side
    606,939.40x = 207,495,535,985.90
  5. Step 5: Solve for x
    x = 207,495,535,985.90/606,939.40
  6. Step 6: Final answer
    x = 341,871.92

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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.