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Finding the Fourth Proportional to 894,514.92, 1,234,436.04 and 486,620.52

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Solution

The fourth proportional to 894,514.92, 1,234,436.04 and 486,620.52 is: 671,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,514.92 : 1,234,436.04 = 486,620.52 : x
  2. Step 2: Convert to fraction form
    894,514.92/1,234,436.04 = 486,620.52/x
  3. Step 3: Cross multiply
    894,514.92x = 1,234,436.04 × 486,620.52
  4. Step 4: Simplify right side
    894,514.92x = 600,701,907,691.54
  5. Step 5: Solve for x
    x = 600,701,907,691.54/894,514.92
  6. Step 6: Final answer
    x = 671,539.28

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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.