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Finding the Fourth Proportional to 892,498.50, 1,231,524 and 524,992.32

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Solution

The fourth proportional to 892,498.50, 1,231,524 and 524,992.32 is: 724,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,498.50 : 1,231,524 = 524,992.32 : x
  2. Step 2: Convert to fraction form
    892,498.50/1,231,524 = 524,992.32/x
  3. Step 3: Cross multiply
    892,498.50x = 1,231,524 × 524,992.32
  4. Step 4: Simplify right side
    892,498.50x = 646,540,641,895.68
  5. Step 5: Solve for x
    x = 646,540,641,895.68/892,498.50
  6. Step 6: Final answer
    x = 724,416.50

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Double scale
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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.