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Finding the Fourth Proportional to 448,282.33, 672,528.61 and 178,426.80

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Solution

The fourth proportional to 448,282.33, 672,528.61 and 178,426.80 is: 267,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,282.33 : 672,528.61 = 178,426.80 : x
  2. Step 2: Convert to fraction form
    448,282.33/672,528.61 = 178,426.80/x
  3. Step 3: Cross multiply
    448,282.33x = 672,528.61 × 178,426.80
  4. Step 4: Simplify right side
    448,282.33x = 119,997,128,013.78
  5. Step 5: Solve for x
    x = 119,997,128,013.78/448,282.33
  6. Step 6: Final answer
    x = 267,682.04

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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.