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Finding the Fourth Proportional to 528,596.20, 791,274.30 and 291,212.20

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Solution

The fourth proportional to 528,596.20, 791,274.30 and 291,212.20 is: 435,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,596.20 : 791,274.30 = 291,212.20 : x
  2. Step 2: Convert to fraction form
    528,596.20/791,274.30 = 291,212.20/x
  3. Step 3: Cross multiply
    528,596.20x = 791,274.30 × 291,212.20
  4. Step 4: Simplify right side
    528,596.20x = 230,428,729,706.46
  5. Step 5: Solve for x
    x = 230,428,729,706.46/528,596.20
  6. Step 6: Final answer
    x = 435,925.82

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