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Finding the Fourth Proportional to 323,925.68, 447,014.44 and 178,732.80

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Solution

The fourth proportional to 323,925.68, 447,014.44 and 178,732.80 is: 246,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,925.68 : 447,014.44 = 178,732.80 : x
  2. Step 2: Convert to fraction form
    323,925.68/447,014.44 = 178,732.80/x
  3. Step 3: Cross multiply
    323,925.68x = 447,014.44 × 178,732.80
  4. Step 4: Simplify right side
    323,925.68x = 79,896,142,501.63
  5. Step 5: Solve for x
    x = 79,896,142,501.63/323,925.68
  6. Step 6: Final answer
    x = 246,649.61

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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.