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Finding the Fourth Proportional to 443,601.54, 665,592.93 and 144,173.88

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Solution

The fourth proportional to 443,601.54, 665,592.93 and 144,173.88 is: 216,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,601.54 : 665,592.93 = 144,173.88 : x
  2. Step 2: Convert to fraction form
    443,601.54/665,592.93 = 144,173.88/x
  3. Step 3: Cross multiply
    443,601.54x = 665,592.93 × 144,173.88
  4. Step 4: Simplify right side
    443,601.54x = 95,961,115,218.67
  5. Step 5: Solve for x
    x = 95,961,115,218.67/443,601.54
  6. Step 6: Final answer
    x = 216,322.77

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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.