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Finding the Fourth Proportional to 400,886.82, 601,368.40 and 112,697.73

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Solution

The fourth proportional to 400,886.82, 601,368.40 and 112,697.73 is: 169,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,886.82 : 601,368.40 = 112,697.73 : x
  2. Step 2: Convert to fraction form
    400,886.82/601,368.40 = 112,697.73/x
  3. Step 3: Cross multiply
    400,886.82x = 601,368.40 × 112,697.73
  4. Step 4: Simplify right side
    400,886.82x = 67,772,853,714.60
  5. Step 5: Solve for x
    x = 67,772,853,714.60/400,886.82
  6. Step 6: Final answer
    x = 169,057.33

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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.