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Finding the Fourth Proportional to 606,843.40, 837,095.70 and 352,162.12

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Solution

The fourth proportional to 606,843.40, 837,095.70 and 352,162.12 is: 485,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,843.40 : 837,095.70 = 352,162.12 : x
  2. Step 2: Convert to fraction form
    606,843.40/837,095.70 = 352,162.12/x
  3. Step 3: Cross multiply
    606,843.40x = 837,095.70 × 352,162.12
  4. Step 4: Simplify right side
    606,843.40x = 294,793,396,354.88
  5. Step 5: Solve for x
    x = 294,793,396,354.88/606,843.40
  6. Step 6: Final answer
    x = 485,781.66

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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.