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Finding the Fourth Proportional to 356,334.60, 534,579.72 and 119,671.09

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Solution

The fourth proportional to 356,334.60, 534,579.72 and 119,671.09 is: 179,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,334.60 : 534,579.72 = 119,671.09 : x
  2. Step 2: Convert to fraction form
    356,334.60/534,579.72 = 119,671.09/x
  3. Step 3: Cross multiply
    356,334.60x = 534,579.72 × 119,671.09
  4. Step 4: Simplify right side
    356,334.60x = 63,973,737,784.29
  5. Step 5: Solve for x
    x = 63,973,737,784.29/356,334.60
  6. Step 6: Final answer
    x = 179,532.77

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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.