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Finding the Fourth Proportional to 653,475.06, 978,103.35 and 337,497.30

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Solution

The fourth proportional to 653,475.06, 978,103.35 and 337,497.30 is: 505,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,475.06 : 978,103.35 = 337,497.30 : x
  2. Step 2: Convert to fraction form
    653,475.06/978,103.35 = 337,497.30/x
  3. Step 3: Cross multiply
    653,475.06x = 978,103.35 × 337,497.30
  4. Step 4: Simplify right side
    653,475.06x = 330,107,239,745.96
  5. Step 5: Solve for x
    x = 330,107,239,745.96/653,475.06
  6. Step 6: Final answer
    x = 505,156.60

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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.