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Finding the Fourth Proportional to 350,991.59, 526,552.97 and 140,645.93

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Solution

The fourth proportional to 350,991.59, 526,552.97 and 140,645.93 is: 210,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,991.59 : 526,552.97 = 140,645.93 : x
  2. Step 2: Convert to fraction form
    350,991.59/526,552.97 = 140,645.93/x
  3. Step 3: Cross multiply
    350,991.59x = 526,552.97 × 140,645.93
  4. Step 4: Simplify right side
    350,991.59x = 74,057,528,823.92
  5. Step 5: Solve for x
    x = 74,057,528,823.92/350,991.59
  6. Step 6: Final answer
    x = 210,995.17

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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.