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Finding the Fourth Proportional to 583,885.50, 805,762.08 and 315,613.50

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Solution

The fourth proportional to 583,885.50, 805,762.08 and 315,613.50 is: 435,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,885.50 : 805,762.08 = 315,613.50 : x
  2. Step 2: Convert to fraction form
    583,885.50/805,762.08 = 315,613.50/x
  3. Step 3: Cross multiply
    583,885.50x = 805,762.08 × 315,613.50
  4. Step 4: Simplify right side
    583,885.50x = 254,309,390,236.08
  5. Step 5: Solve for x
    x = 254,309,390,236.08/583,885.50
  6. Step 6: Final answer
    x = 435,546.68

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