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Finding the Fourth Proportional to 551,417.70, 827,126.55 and 528,089.70

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Solution

The fourth proportional to 551,417.70, 827,126.55 and 528,089.70 is: 792,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,417.70 : 827,126.55 = 528,089.70 : x
  2. Step 2: Convert to fraction form
    551,417.70/827,126.55 = 528,089.70/x
  3. Step 3: Cross multiply
    551,417.70x = 827,126.55 × 528,089.70
  4. Step 4: Simplify right side
    551,417.70x = 436,797,011,651.54
  5. Step 5: Solve for x
    x = 436,797,011,651.54/551,417.70
  6. Step 6: Final answer
    x = 792,134.55

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