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Finding the Fourth Proportional to 262,630.85, 362,462.70 and 172,009.46

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Solution

The fourth proportional to 262,630.85, 362,462.70 and 172,009.46 is: 237,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,630.85 : 362,462.70 = 172,009.46 : x
  2. Step 2: Convert to fraction form
    262,630.85/362,462.70 = 172,009.46/x
  3. Step 3: Cross multiply
    262,630.85x = 362,462.70 × 172,009.46
  4. Step 4: Simplify right side
    262,630.85x = 62,347,011,484.83
  5. Step 5: Solve for x
    x = 62,347,011,484.83/262,630.85
  6. Step 6: Final answer
    x = 237,394.09

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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.