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Finding the Fourth Proportional to 297,300.76, 410,275.32 and 169,979.02

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Solution

The fourth proportional to 297,300.76, 410,275.32 and 169,979.02 is: 234,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,300.76 : 410,275.32 = 169,979.02 : x
  2. Step 2: Convert to fraction form
    297,300.76/410,275.32 = 169,979.02/x
  3. Step 3: Cross multiply
    297,300.76x = 410,275.32 × 169,979.02
  4. Step 4: Simplify right side
    297,300.76x = 69,738,196,823.79
  5. Step 5: Solve for x
    x = 69,738,196,823.79/297,300.76
  6. Step 6: Final answer
    x = 234,571.20

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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.