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Finding the Fourth Proportional to 606,492.30, 910,321.65 and 307,310.70

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Solution

The fourth proportional to 606,492.30, 910,321.65 and 307,310.70 is: 461,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,492.30 : 910,321.65 = 307,310.70 : x
  2. Step 2: Convert to fraction form
    606,492.30/910,321.65 = 307,310.70/x
  3. Step 3: Cross multiply
    606,492.30x = 910,321.65 × 307,310.70
  4. Step 4: Simplify right side
    606,492.30x = 279,751,583,486.66
  5. Step 5: Solve for x
    x = 279,751,583,486.66/606,492.30
  6. Step 6: Final answer
    x = 461,261.56

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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.