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Finding the Fourth Proportional to 439,466.04, 606,475.08 and 248,508

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Solution

The fourth proportional to 439,466.04, 606,475.08 and 248,508 is: 342,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,466.04 : 606,475.08 = 248,508 : x
  2. Step 2: Convert to fraction form
    439,466.04/606,475.08 = 248,508/x
  3. Step 3: Cross multiply
    439,466.04x = 606,475.08 × 248,508
  4. Step 4: Simplify right side
    439,466.04x = 150,713,909,180.64
  5. Step 5: Solve for x
    x = 150,713,909,180.64/439,466.04
  6. Step 6: Final answer
    x = 342,947.79

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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.