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Finding the Fourth Proportional to 331,615.01, 497,519.38 and 106,970.46

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Solution

The fourth proportional to 331,615.01, 497,519.38 and 106,970.46 is: 160,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,615.01 : 497,519.38 = 106,970.46 : x
  2. Step 2: Convert to fraction form
    331,615.01/497,519.38 = 106,970.46/x
  3. Step 3: Cross multiply
    331,615.01x = 497,519.38 × 106,970.46
  4. Step 4: Simplify right side
    331,615.01x = 53,219,875,205.53
  5. Step 5: Solve for x
    x = 53,219,875,205.53/331,615.01
  6. Step 6: Final answer
    x = 160,486.93

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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.