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Finding the Fourth Proportional to 647,222.43, 893,171.10 and 360,760.67

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Solution

The fourth proportional to 647,222.43, 893,171.10 and 360,760.67 is: 497,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,222.43 : 893,171.10 = 360,760.67 : x
  2. Step 2: Convert to fraction form
    647,222.43/893,171.10 = 360,760.67/x
  3. Step 3: Cross multiply
    647,222.43x = 893,171.10 × 360,760.67
  4. Step 4: Simplify right side
    647,222.43x = 322,221,004,460.64
  5. Step 5: Solve for x
    x = 322,221,004,460.64/647,222.43
  6. Step 6: Final answer
    x = 497,852.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.