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Finding the Fourth Proportional to 545,369.14, 818,091.08 and 185,393.51

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Solution

The fourth proportional to 545,369.14, 818,091.08 and 185,393.51 is: 278,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,369.14 : 818,091.08 = 185,393.51 : x
  2. Step 2: Convert to fraction form
    545,369.14/818,091.08 = 185,393.51/x
  3. Step 3: Cross multiply
    545,369.14x = 818,091.08 × 185,393.51
  4. Step 4: Simplify right side
    545,369.14x = 151,668,776,820.89
  5. Step 5: Solve for x
    x = 151,668,776,820.89/545,369.14
  6. Step 6: Final answer
    x = 278,102.97

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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.