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Finding the Fourth Proportional to 301,674.78, 416,290.59 and 165,714.46

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Solution

The fourth proportional to 301,674.78, 416,290.59 and 165,714.46 is: 228,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,674.78 : 416,290.59 = 165,714.46 : x
  2. Step 2: Convert to fraction form
    301,674.78/416,290.59 = 165,714.46/x
  3. Step 3: Cross multiply
    301,674.78x = 416,290.59 × 165,714.46
  4. Step 4: Simplify right side
    301,674.78x = 68,985,369,284.20
  5. Step 5: Solve for x
    x = 68,985,369,284.20/301,674.78
  6. Step 6: Final answer
    x = 228,674.63

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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.