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Finding the Fourth Proportional to 322,368.84, 444,842.90 and 186,411.60

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Solution

The fourth proportional to 322,368.84, 444,842.90 and 186,411.60 is: 257,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,368.84 : 444,842.90 = 186,411.60 : x
  2. Step 2: Convert to fraction form
    322,368.84/444,842.90 = 186,411.60/x
  3. Step 3: Cross multiply
    322,368.84x = 444,842.90 × 186,411.60
  4. Step 4: Simplify right side
    322,368.84x = 82,923,876,737.64
  5. Step 5: Solve for x
    x = 82,923,876,737.64/322,368.84
  6. Step 6: Final answer
    x = 257,232.92

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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.