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Finding the Fourth Proportional to 297,717.72, 410,826.62 and 170,364.12

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Solution

The fourth proportional to 297,717.72, 410,826.62 and 170,364.12 is: 235,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,717.72 : 410,826.62 = 170,364.12 : x
  2. Step 2: Convert to fraction form
    297,717.72/410,826.62 = 170,364.12/x
  3. Step 3: Cross multiply
    297,717.72x = 410,826.62 × 170,364.12
  4. Step 4: Simplify right side
    297,717.72x = 69,990,115,588.87
  5. Step 5: Solve for x
    x = 69,990,115,588.87/297,717.72
  6. Step 6: Final answer
    x = 235,088.85

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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.