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Finding the Fourth Proportional to 606,985.60, 910,884.76 and 251,999.92

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Solution

The fourth proportional to 606,985.60, 910,884.76 and 251,999.92 is: 378,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,985.60 : 910,884.76 = 251,999.92 : x
  2. Step 2: Convert to fraction form
    606,985.60/910,884.76 = 251,999.92/x
  3. Step 3: Cross multiply
    606,985.60x = 910,884.76 × 251,999.92
  4. Step 4: Simplify right side
    606,985.60x = 229,542,886,649.22
  5. Step 5: Solve for x
    x = 229,542,886,649.22/606,985.60
  6. Step 6: Final answer
    x = 378,168.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.