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Finding the Fourth Proportional to 350,811.20, 525,871.20 and 173,345.60

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Solution

The fourth proportional to 350,811.20, 525,871.20 and 173,345.60 is: 259,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,811.20 : 525,871.20 = 173,345.60 : x
  2. Step 2: Convert to fraction form
    350,811.20/525,871.20 = 173,345.60/x
  3. Step 3: Cross multiply
    350,811.20x = 525,871.20 × 173,345.60
  4. Step 4: Simplify right side
    350,811.20x = 91,157,458,686.72
  5. Step 5: Solve for x
    x = 91,157,458,686.72/350,811.20
  6. Step 6: Final answer
    x = 259,847.63

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1.5x scale

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.