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Finding the Fourth Proportional to 356,529.92, 534,483.84 and 178,787.84

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Solution

The fourth proportional to 356,529.92, 534,483.84 and 178,787.84 is: 268,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,529.92 : 534,483.84 = 178,787.84 : x
  2. Step 2: Convert to fraction form
    356,529.92/534,483.84 = 178,787.84/x
  3. Step 3: Cross multiply
    356,529.92x = 534,483.84 × 178,787.84
  4. Step 4: Simplify right side
    356,529.92x = 95,559,211,268.51
  5. Step 5: Solve for x
    x = 95,559,211,268.51/356,529.92
  6. Step 6: Final answer
    x = 268,025.78

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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.