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Finding the Fourth Proportional to 302,612.60, 453,141.30 and 223,297.40

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Solution

The fourth proportional to 302,612.60, 453,141.30 and 223,297.40 is: 334,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,612.60 : 453,141.30 = 223,297.40 : x
  2. Step 2: Convert to fraction form
    302,612.60/453,141.30 = 223,297.40/x
  3. Step 3: Cross multiply
    302,612.60x = 453,141.30 × 223,297.40
  4. Step 4: Simplify right side
    302,612.60x = 101,185,274,122.62
  5. Step 5: Solve for x
    x = 101,185,274,122.62/302,612.60
  6. Step 6: Final answer
    x = 334,372.31

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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.