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Finding the Fourth Proportional to 322,657.69, 445,280.32 and 177,476.98

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Solution

The fourth proportional to 322,657.69, 445,280.32 and 177,476.98 is: 244,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,657.69 : 445,280.32 = 177,476.98 : x
  2. Step 2: Convert to fraction form
    322,657.69/445,280.32 = 177,476.98/x
  3. Step 3: Cross multiply
    322,657.69x = 445,280.32 × 177,476.98
  4. Step 4: Simplify right side
    322,657.69x = 79,027,006,559.94
  5. Step 5: Solve for x
    x = 79,027,006,559.94/322,657.69
  6. Step 6: Final answer
    x = 244,925.22

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1.5x scale

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.