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Finding the Fourth Proportional to 360,236.36, 540,365.48 and 123,575.63

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Solution

The fourth proportional to 360,236.36, 540,365.48 and 123,575.63 is: 185,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,236.36 : 540,365.48 = 123,575.63 : x
  2. Step 2: Convert to fraction form
    360,236.36/540,365.48 = 123,575.63/x
  3. Step 3: Cross multiply
    360,236.36x = 540,365.48 × 123,575.63
  4. Step 4: Simplify right side
    360,236.36x = 66,776,001,764.96
  5. Step 5: Solve for x
    x = 66,776,001,764.96/360,236.36
  6. Step 6: Final answer
    x = 185,367.19

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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.