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Finding the Fourth Proportional to 356,283.96, 534,451.86 and 119,624.64

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Solution

The fourth proportional to 356,283.96, 534,451.86 and 119,624.64 is: 179,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,283.96 : 534,451.86 = 119,624.64 : x
  2. Step 2: Convert to fraction form
    356,283.96/534,451.86 = 119,624.64/x
  3. Step 3: Cross multiply
    356,283.96x = 534,451.86 × 119,624.64
  4. Step 4: Simplify right side
    356,283.96x = 63,933,611,349.83
  5. Step 5: Solve for x
    x = 63,933,611,349.83/356,283.96
  6. Step 6: Final answer
    x = 179,445.66

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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.