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Finding the Fourth Proportional to 439,077.16, 606,025.86 and 248,201.32

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Solution

The fourth proportional to 439,077.16, 606,025.86 and 248,201.32 is: 342,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,077.16 : 606,025.86 = 248,201.32 : x
  2. Step 2: Convert to fraction form
    439,077.16/606,025.86 = 248,201.32/x
  3. Step 3: Cross multiply
    439,077.16x = 606,025.86 × 248,201.32
  4. Step 4: Simplify right side
    439,077.16x = 150,416,418,406.14
  5. Step 5: Solve for x
    x = 150,416,418,406.14/439,077.16
  6. Step 6: Final answer
    x = 342,574.00

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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.