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Finding the Fourth Proportional to 295,404.76, 407,656.48 and 161,268.76

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Solution

The fourth proportional to 295,404.76, 407,656.48 and 161,268.76 is: 222,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,404.76 : 407,656.48 = 161,268.76 : x
  2. Step 2: Convert to fraction form
    295,404.76/407,656.48 = 161,268.76/x
  3. Step 3: Cross multiply
    295,404.76x = 407,656.48 × 161,268.76
  4. Step 4: Simplify right side
    295,404.76x = 65,742,255,035.56
  5. Step 5: Solve for x
    x = 65,742,255,035.56/295,404.76
  6. Step 6: Final answer
    x = 222,549.75

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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.