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Finding the Fourth Proportional to 618,174.58, 927,261.87 and 337,538.74

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Solution

The fourth proportional to 618,174.58, 927,261.87 and 337,538.74 is: 506,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,174.58 : 927,261.87 = 337,538.74 : x
  2. Step 2: Convert to fraction form
    618,174.58/927,261.87 = 337,538.74/x
  3. Step 3: Cross multiply
    618,174.58x = 927,261.87 × 337,538.74
  4. Step 4: Simplify right side
    618,174.58x = 312,986,803,249.84
  5. Step 5: Solve for x
    x = 312,986,803,249.84/618,174.58
  6. Step 6: Final answer
    x = 506,308.11

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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.