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Finding the Fourth Proportional to 350,698.60, 525,659.10 and 193,040.20

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Solution

The fourth proportional to 350,698.60, 525,659.10 and 193,040.20 is: 289,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,698.60 : 525,659.10 = 193,040.20 : x
  2. Step 2: Convert to fraction form
    350,698.60/525,659.10 = 193,040.20/x
  3. Step 3: Cross multiply
    350,698.60x = 525,659.10 × 193,040.20
  4. Step 4: Simplify right side
    350,698.60x = 101,473,337,795.82
  5. Step 5: Solve for x
    x = 101,473,337,795.82/350,698.60
  6. Step 6: Final answer
    x = 289,346.29

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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.