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Finding the Fourth Proportional to 361,521.80, 542,282.70 and 184,374.80

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Solution

The fourth proportional to 361,521.80, 542,282.70 and 184,374.80 is: 276,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,521.80 : 542,282.70 = 184,374.80 : x
  2. Step 2: Convert to fraction form
    361,521.80/542,282.70 = 184,374.80/x
  3. Step 3: Cross multiply
    361,521.80x = 542,282.70 × 184,374.80
  4. Step 4: Simplify right side
    361,521.80x = 99,983,264,355.96
  5. Step 5: Solve for x
    x = 99,983,264,355.96/361,521.80
  6. Step 6: Final answer
    x = 276,562.20

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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.