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Finding the Fourth Proportional to 372,751.20, 514,587.60 and 252,525.60

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Solution

The fourth proportional to 372,751.20, 514,587.60 and 252,525.60 is: 348,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,751.20 : 514,587.60 = 252,525.60 : x
  2. Step 2: Convert to fraction form
    372,751.20/514,587.60 = 252,525.60/x
  3. Step 3: Cross multiply
    372,751.20x = 514,587.60 × 252,525.60
  4. Step 4: Simplify right side
    372,751.20x = 129,946,542,442.56
  5. Step 5: Solve for x
    x = 129,946,542,442.56/372,751.20
  6. Step 6: Final answer
    x = 348,614.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.