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Finding the Fourth Proportional to 350,626.61, 525,940.04 and 84,387.13

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Solution

The fourth proportional to 350,626.61, 525,940.04 and 84,387.13 is: 126,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,626.61 : 525,940.04 = 84,387.13 : x
  2. Step 2: Convert to fraction form
    350,626.61/525,940.04 = 84,387.13/x
  3. Step 3: Cross multiply
    350,626.61x = 525,940.04 × 84,387.13
  4. Step 4: Simplify right side
    350,626.61x = 44,382,570,527.69
  5. Step 5: Solve for x
    x = 44,382,570,527.69/350,626.61
  6. Step 6: Final answer
    x = 126,580.73

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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.