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Finding the Fourth Proportional to 301,365.48, 415,886.82 and 167,231.72

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Solution

The fourth proportional to 301,365.48, 415,886.82 and 167,231.72 is: 230,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,365.48 : 415,886.82 = 167,231.72 : x
  2. Step 2: Convert to fraction form
    301,365.48/415,886.82 = 167,231.72/x
  3. Step 3: Cross multiply
    301,365.48x = 415,886.82 × 167,231.72
  4. Step 4: Simplify right side
    301,365.48x = 69,549,468,233.93
  5. Step 5: Solve for x
    x = 69,549,468,233.93/301,365.48
  6. Step 6: Final answer
    x = 230,781.14

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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.