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Finding the Fourth Proportional to 443,953.32, 665,722.95 and 230,663.89

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Solution

The fourth proportional to 443,953.32, 665,722.95 and 230,663.89 is: 345,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,953.32 : 665,722.95 = 230,663.89 : x
  2. Step 2: Convert to fraction form
    443,953.32/665,722.95 = 230,663.89/x
  3. Step 3: Cross multiply
    443,953.32x = 665,722.95 × 230,663.89
  4. Step 4: Simplify right side
    443,953.32x = 153,558,245,276.44
  5. Step 5: Solve for x
    x = 153,558,245,276.44/443,953.32
  6. Step 6: Final answer
    x = 345,888.27

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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.