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Finding the Fourth Proportional to 405,867.30, 608,800.95 and 184,251.30

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Solution

The fourth proportional to 405,867.30, 608,800.95 and 184,251.30 is: 276,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,867.30 : 608,800.95 = 184,251.30 : x
  2. Step 2: Convert to fraction form
    405,867.30/608,800.95 = 184,251.30/x
  3. Step 3: Cross multiply
    405,867.30x = 608,800.95 × 184,251.30
  4. Step 4: Simplify right side
    405,867.30x = 112,172,366,478.74
  5. Step 5: Solve for x
    x = 112,172,366,478.74/405,867.30
  6. Step 6: Final answer
    x = 276,376.95

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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.