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Finding the Fourth Proportional to 409,850.20, 614,775.30 and 232,703.20

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Solution

The fourth proportional to 409,850.20, 614,775.30 and 232,703.20 is: 349,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,850.20 : 614,775.30 = 232,703.20 : x
  2. Step 2: Convert to fraction form
    409,850.20/614,775.30 = 232,703.20/x
  3. Step 3: Cross multiply
    409,850.20x = 614,775.30 × 232,703.20
  4. Step 4: Simplify right side
    409,850.20x = 143,060,179,590.96
  5. Step 5: Solve for x
    x = 143,060,179,590.96/409,850.20
  6. Step 6: Final answer
    x = 349,054.80

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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.