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Finding the Fourth Proportional to 543,717.48, 814,655.90 and 332,915.24

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Solution

The fourth proportional to 543,717.48, 814,655.90 and 332,915.24 is: 498,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,717.48 : 814,655.90 = 332,915.24 : x
  2. Step 2: Convert to fraction form
    543,717.48/814,655.90 = 332,915.24/x
  3. Step 3: Cross multiply
    543,717.48x = 814,655.90 × 332,915.24
  4. Step 4: Simplify right side
    543,717.48x = 271,211,364,465.92
  5. Step 5: Solve for x
    x = 271,211,364,465.92/543,717.48
  6. Step 6: Final answer
    x = 498,809.35

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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.