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Finding the Fourth Proportional to 298,877.91, 448,095.42 and 180,521.58

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Solution

The fourth proportional to 298,877.91, 448,095.42 and 180,521.58 is: 270,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,877.91 : 448,095.42 = 180,521.58 : x
  2. Step 2: Convert to fraction form
    298,877.91/448,095.42 = 180,521.58/x
  3. Step 3: Cross multiply
    298,877.91x = 448,095.42 × 180,521.58
  4. Step 4: Simplify right side
    298,877.91x = 80,890,890,968.69
  5. Step 5: Solve for x
    x = 80,890,890,968.69/298,877.91
  6. Step 6: Final answer
    x = 270,648.61

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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.