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Finding the Fourth Proportional to 350,009.87, 525,218.69 and 147,593.57

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Solution

The fourth proportional to 350,009.87, 525,218.69 and 147,593.57 is: 221,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,009.87 : 525,218.69 = 147,593.57 : x
  2. Step 2: Convert to fraction form
    350,009.87/525,218.69 = 147,593.57/x
  3. Step 3: Cross multiply
    350,009.87x = 525,218.69 × 147,593.57
  4. Step 4: Simplify right side
    350,009.87x = 77,518,899,230.71
  5. Step 5: Solve for x
    x = 77,518,899,230.71/350,009.87
  6. Step 6: Final answer
    x = 221,476.33

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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.