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Finding the Fourth Proportional to 501,507.59, 752,258.73 and 122,430.33

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Solution

The fourth proportional to 501,507.59, 752,258.73 and 122,430.33 is: 183,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,507.59 : 752,258.73 = 122,430.33 : x
  2. Step 2: Convert to fraction form
    501,507.59/752,258.73 = 122,430.33/x
  3. Step 3: Cross multiply
    501,507.59x = 752,258.73 × 122,430.33
  4. Step 4: Simplify right side
    501,507.59x = 92,099,284,559.28
  5. Step 5: Solve for x
    x = 92,099,284,559.28/501,507.59
  6. Step 6: Final answer
    x = 183,644.85

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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.