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Finding the Fourth Proportional to 464,502.93, 696,679.82 and 127,464.87

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Solution

The fourth proportional to 464,502.93, 696,679.82 and 127,464.87 is: 191,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,502.93 : 696,679.82 = 127,464.87 : x
  2. Step 2: Convert to fraction form
    464,502.93/696,679.82 = 127,464.87/x
  3. Step 3: Cross multiply
    464,502.93x = 696,679.82 × 127,464.87
  4. Step 4: Simplify right side
    464,502.93x = 88,802,202,050.60
  5. Step 5: Solve for x
    x = 88,802,202,050.60/464,502.93
  6. Step 6: Final answer
    x = 191,176.84

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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.