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Finding the Fourth Proportional to 545,016, 817,570.08 and 151,032

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Solution

The fourth proportional to 545,016, 817,570.08 and 151,032 is: 226,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,016 : 817,570.08 = 151,032 : x
  2. Step 2: Convert to fraction form
    545,016/817,570.08 = 151,032/x
  3. Step 3: Cross multiply
    545,016x = 817,570.08 × 151,032
  4. Step 4: Simplify right side
    545,016x = 123,479,244,322.56
  5. Step 5: Solve for x
    x = 123,479,244,322.56/545,016
  6. Step 6: Final answer
    x = 226,560.77

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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.