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Finding the Fourth Proportional to 416,784.03, 625,176.03 and 101,238.81

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Solution

The fourth proportional to 416,784.03, 625,176.03 and 101,238.81 is: 151,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,784.03 : 625,176.03 = 101,238.81 : x
  2. Step 2: Convert to fraction form
    416,784.03/625,176.03 = 101,238.81/x
  3. Step 3: Cross multiply
    416,784.03x = 625,176.03 × 101,238.81
  4. Step 4: Simplify right side
    416,784.03x = 63,292,077,317.72
  5. Step 5: Solve for x
    x = 63,292,077,317.72/416,784.03
  6. Step 6: Final answer
    x = 151,858.21

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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.