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Finding the Fourth Proportional to 314,945.83, 472,614.66 and 127,957.33

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Solution

The fourth proportional to 314,945.83, 472,614.66 and 127,957.33 is: 192,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,945.83 : 472,614.66 = 127,957.33 : x
  2. Step 2: Convert to fraction form
    314,945.83/472,614.66 = 127,957.33/x
  3. Step 3: Cross multiply
    314,945.83x = 472,614.66 × 127,957.33
  4. Step 4: Simplify right side
    314,945.83x = 60,474,507,944.77
  5. Step 5: Solve for x
    x = 60,474,507,944.77/314,945.83
  6. Step 6: Final answer
    x = 192,015.59

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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.