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Finding the Fourth Proportional to 297,543.52, 410,617.20 and 163,410.40

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Solution

The fourth proportional to 297,543.52, 410,617.20 and 163,410.40 is: 225,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,543.52 : 410,617.20 = 163,410.40 : x
  2. Step 2: Convert to fraction form
    297,543.52/410,617.20 = 163,410.40/x
  3. Step 3: Cross multiply
    297,543.52x = 410,617.20 × 163,410.40
  4. Step 4: Simplify right side
    297,543.52x = 67,099,120,898.88
  5. Step 5: Solve for x
    x = 67,099,120,898.88/297,543.52
  6. Step 6: Final answer
    x = 225,510.27

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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.