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Finding the Fourth Proportional to 290,636.51, 435,922.37 and 101,064.11

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Solution

The fourth proportional to 290,636.51, 435,922.37 and 101,064.11 is: 151,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,636.51 : 435,922.37 = 101,064.11 : x
  2. Step 2: Convert to fraction form
    290,636.51/435,922.37 = 101,064.11/x
  3. Step 3: Cross multiply
    290,636.51x = 435,922.37 × 101,064.11
  4. Step 4: Simplify right side
    290,636.51x = 44,056,105,847.82
  5. Step 5: Solve for x
    x = 44,056,105,847.82/290,636.51
  6. Step 6: Final answer
    x = 151,584.90

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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.