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Finding the Fourth Proportional to 363,605.77, 545,407.16 and 110,885.51

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Solution

The fourth proportional to 363,605.77, 545,407.16 and 110,885.51 is: 166,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,605.77 : 545,407.16 = 110,885.51 : x
  2. Step 2: Convert to fraction form
    363,605.77/545,407.16 = 110,885.51/x
  3. Step 3: Cross multiply
    363,605.77x = 545,407.16 × 110,885.51
  4. Step 4: Simplify right side
    363,605.77x = 60,477,751,094.25
  5. Step 5: Solve for x
    x = 60,477,751,094.25/363,605.77
  6. Step 6: Final answer
    x = 166,327.81

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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.