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Finding the Fourth Proportional to 560.06, 839.57 and 354

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Solution

The fourth proportional to 560.06, 839.57 and 354 is: 530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.06 : 839.57 = 354 : x
  2. Step 2: Convert to fraction form
    560.06/839.57 = 354/x
  3. Step 3: Cross multiply
    560.06x = 839.57 × 354
  4. Step 4: Simplify right side
    560.06x = 297,206.01
  5. Step 5: Solve for x
    x = 297,206.01/560.06
  6. Step 6: Final answer
    x = 530.67

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