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Finding the Fourth Proportional to 267,705.76, 401,636.40 and 127,582.24

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Solution

The fourth proportional to 267,705.76, 401,636.40 and 127,582.24 is: 191,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,705.76 : 401,636.40 = 127,582.24 : x
  2. Step 2: Convert to fraction form
    267,705.76/401,636.40 = 127,582.24/x
  3. Step 3: Cross multiply
    267,705.76x = 401,636.40 × 127,582.24
  4. Step 4: Simplify right side
    267,705.76x = 51,241,671,577.54
  5. Step 5: Solve for x
    x = 51,241,671,577.54/267,705.76
  6. Step 6: Final answer
    x = 191,410.42

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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.