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Finding the Fourth Proportional to 545,367.64, 818,088.83 and 185,392.01

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Solution

The fourth proportional to 545,367.64, 818,088.83 and 185,392.01 is: 278,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,367.64 : 818,088.83 = 185,392.01 : x
  2. Step 2: Convert to fraction form
    545,367.64/818,088.83 = 185,392.01/x
  3. Step 3: Cross multiply
    545,367.64x = 818,088.83 × 185,392.01
  4. Step 4: Simplify right side
    545,367.64x = 151,667,127,534.84
  5. Step 5: Solve for x
    x = 151,667,127,534.84/545,367.64
  6. Step 6: Final answer
    x = 278,100.71

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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.