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Finding the Fourth Proportional to 350,515.01, 525,772.53 and 84,275.54

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Solution

The fourth proportional to 350,515.01, 525,772.53 and 84,275.54 is: 126,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,515.01 : 525,772.53 = 84,275.54 : x
  2. Step 2: Convert to fraction form
    350,515.01/525,772.53 = 84,275.54/x
  3. Step 3: Cross multiply
    350,515.01x = 525,772.53 × 84,275.54
  4. Step 4: Simplify right side
    350,515.01x = 44,309,763,461.54
  5. Step 5: Solve for x
    x = 44,309,763,461.54/350,515.01
  6. Step 6: Final answer
    x = 126,413.31

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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.