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Finding the Fourth Proportional to 448,787.13, 672,798.06 and 195,878.54

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Solution

The fourth proportional to 448,787.13, 672,798.06 and 195,878.54 is: 293,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,787.13 : 672,798.06 = 195,878.54 : x
  2. Step 2: Convert to fraction form
    448,787.13/672,798.06 = 195,878.54/x
  3. Step 3: Cross multiply
    448,787.13x = 672,798.06 × 195,878.54
  4. Step 4: Simplify right side
    448,787.13x = 131,786,698,343.64
  5. Step 5: Solve for x
    x = 131,786,698,343.64/448,787.13
  6. Step 6: Final answer
    x = 293,650.80

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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.