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Finding the Fourth Proportional to 334,650.60, 501,101.10 and 215,677.80

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Solution

The fourth proportional to 334,650.60, 501,101.10 and 215,677.80 is: 322,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,650.60 : 501,101.10 = 215,677.80 : x
  2. Step 2: Convert to fraction form
    334,650.60/501,101.10 = 215,677.80/x
  3. Step 3: Cross multiply
    334,650.60x = 501,101.10 × 215,677.80
  4. Step 4: Simplify right side
    334,650.60x = 108,076,382,825.58
  5. Step 5: Solve for x
    x = 108,076,382,825.58/334,650.60
  6. Step 6: Final answer
    x = 322,952.90

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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.