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Finding the Fourth Proportional to 476,806.53, 658,005.18 and 261,952.02

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Solution

The fourth proportional to 476,806.53, 658,005.18 and 261,952.02 is: 361,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,806.53 : 658,005.18 = 261,952.02 : x
  2. Step 2: Convert to fraction form
    476,806.53/658,005.18 = 261,952.02/x
  3. Step 3: Cross multiply
    476,806.53x = 658,005.18 × 261,952.02
  4. Step 4: Simplify right side
    476,806.53x = 172,365,786,071.46
  5. Step 5: Solve for x
    x = 172,365,786,071.46/476,806.53
  6. Step 6: Final answer
    x = 361,500.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.