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Finding the Fourth Proportional to 332,018.66, 498,026.91 and 198,938.90

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Solution

The fourth proportional to 332,018.66, 498,026.91 and 198,938.90 is: 298,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,018.66 : 498,026.91 = 198,938.90 : x
  2. Step 2: Convert to fraction form
    332,018.66/498,026.91 = 198,938.90/x
  3. Step 3: Cross multiply
    332,018.66x = 498,026.91 × 198,938.90
  4. Step 4: Simplify right side
    332,018.66x = 99,076,925,645.80
  5. Step 5: Solve for x
    x = 99,076,925,645.80/332,018.66
  6. Step 6: Final answer
    x = 298,407.70

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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.