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Finding the Fourth Proportional to 476,687.08, 658,255.16 and 355,618.10

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Solution

The fourth proportional to 476,687.08, 658,255.16 and 355,618.10 is: 491,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,687.08 : 658,255.16 = 355,618.10 : x
  2. Step 2: Convert to fraction form
    476,687.08/658,255.16 = 355,618.10/x
  3. Step 3: Cross multiply
    476,687.08x = 658,255.16 × 355,618.10
  4. Step 4: Simplify right side
    476,687.08x = 234,087,449,314.40
  5. Step 5: Solve for x
    x = 234,087,449,314.40/476,687.08
  6. Step 6: Final answer
    x = 491,071.52

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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.