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Finding the Fourth Proportional to 464,485.41, 696,729.20 and 127,530.68

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Solution

The fourth proportional to 464,485.41, 696,729.20 and 127,530.68 is: 191,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,485.41 : 696,729.20 = 127,530.68 : x
  2. Step 2: Convert to fraction form
    464,485.41/696,729.20 = 127,530.68/x
  3. Step 3: Cross multiply
    464,485.41x = 696,729.20 × 127,530.68
  4. Step 4: Simplify right side
    464,485.41x = 88,854,345,487.04
  5. Step 5: Solve for x
    x = 88,854,345,487.04/464,485.41
  6. Step 6: Final answer
    x = 191,296.31

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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.