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Finding the Fourth Proportional to 1,772,960, 2,659,440.02 and 443,264

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Solution

The fourth proportional to 1,772,960, 2,659,440.02 and 443,264 is: 664,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,960 : 2,659,440.02 = 443,264 : x
  2. Step 2: Convert to fraction form
    1,772,960/2,659,440.02 = 443,264/x
  3. Step 3: Cross multiply
    1,772,960x = 2,659,440.02 × 443,264
  4. Step 4: Simplify right side
    1,772,960x = 1,178,834,021,025.28
  5. Step 5: Solve for x
    x = 1,178,834,021,025.28/1,772,960
  6. Step 6: Final answer
    x = 664,896.01

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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.