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Finding the Fourth Proportional to 453,880.12, 681,240.98 and 229,398.54

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Solution

The fourth proportional to 453,880.12, 681,240.98 and 229,398.54 is: 344,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,880.12 : 681,240.98 = 229,398.54 : x
  2. Step 2: Convert to fraction form
    453,880.12/681,240.98 = 229,398.54/x
  3. Step 3: Cross multiply
    453,880.12x = 681,240.98 × 229,398.54
  4. Step 4: Simplify right side
    453,880.12x = 156,275,686,200.17
  5. Step 5: Solve for x
    x = 156,275,686,200.17/453,880.12
  6. Step 6: Final answer
    x = 344,310.49

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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.