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Finding the Fourth Proportional to 350,005.80, 525,008.70 and 192,541.80

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Solution

The fourth proportional to 350,005.80, 525,008.70 and 192,541.80 is: 288,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,005.80 : 525,008.70 = 192,541.80 : x
  2. Step 2: Convert to fraction form
    350,005.80/525,008.70 = 192,541.80/x
  3. Step 3: Cross multiply
    350,005.80x = 525,008.70 × 192,541.80
  4. Step 4: Simplify right side
    350,005.80x = 101,086,120,113.66
  5. Step 5: Solve for x
    x = 101,086,120,113.66/350,005.80
  6. Step 6: Final answer
    x = 288,812.70

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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.