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Finding the Fourth Proportional to 330,051, 455,470.92 and 179,148

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Solution

The fourth proportional to 330,051, 455,470.92 and 179,148 is: 247,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,051 : 455,470.92 = 179,148 : x
  2. Step 2: Convert to fraction form
    330,051/455,470.92 = 179,148/x
  3. Step 3: Cross multiply
    330,051x = 455,470.92 × 179,148
  4. Step 4: Simplify right side
    330,051x = 81,596,704,376.16
  5. Step 5: Solve for x
    x = 81,596,704,376.16/330,051
  6. Step 6: Final answer
    x = 247,224.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.