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Finding the Fourth Proportional to 331,535.16, 497,306.22 and 265,395.74

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Solution

The fourth proportional to 331,535.16, 497,306.22 and 265,395.74 is: 398,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,535.16 : 497,306.22 = 265,395.74 : x
  2. Step 2: Convert to fraction form
    331,535.16/497,306.22 = 265,395.74/x
  3. Step 3: Cross multiply
    331,535.16x = 497,306.22 × 265,395.74
  4. Step 4: Simplify right side
    331,535.16x = 131,982,952,263.50
  5. Step 5: Solve for x
    x = 131,982,952,263.50/331,535.16
  6. Step 6: Final answer
    x = 398,096.40

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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.