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Finding the Fourth Proportional to 332,205.30, 497,979.90 and 163,587.60

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Solution

The fourth proportional to 332,205.30, 497,979.90 and 163,587.60 is: 245,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,205.30 : 497,979.90 = 163,587.60 : x
  2. Step 2: Convert to fraction form
    332,205.30/497,979.90 = 163,587.60/x
  3. Step 3: Cross multiply
    332,205.30x = 497,979.90 × 163,587.60
  4. Step 4: Simplify right side
    332,205.30x = 81,463,336,689.24
  5. Step 5: Solve for x
    x = 81,463,336,689.24/332,205.30
  6. Step 6: Final answer
    x = 245,219.86

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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.