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Finding the Fourth Proportional to 344,639.52, 475,571.16 and 199,420.20

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Solution

The fourth proportional to 344,639.52, 475,571.16 and 199,420.20 is: 275,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,639.52 : 475,571.16 = 199,420.20 : x
  2. Step 2: Convert to fraction form
    344,639.52/475,571.16 = 199,420.20/x
  3. Step 3: Cross multiply
    344,639.52x = 475,571.16 × 199,420.20
  4. Step 4: Simplify right side
    344,639.52x = 94,838,495,841.43
  5. Step 5: Solve for x
    x = 94,838,495,841.43/344,639.52
  6. Step 6: Final answer
    x = 275,181.72

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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.