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Finding the Fourth Proportional to 514,669.44, 772,160.44 and 248,380.32

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Solution

The fourth proportional to 514,669.44, 772,160.44 and 248,380.32 is: 372,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,669.44 : 772,160.44 = 248,380.32 : x
  2. Step 2: Convert to fraction form
    514,669.44/772,160.44 = 248,380.32/x
  3. Step 3: Cross multiply
    514,669.44x = 772,160.44 × 248,380.32
  4. Step 4: Simplify right side
    514,669.44x = 191,789,457,178.54
  5. Step 5: Solve for x
    x = 191,789,457,178.54/514,669.44
  6. Step 6: Final answer
    x = 372,645.90

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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.