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Finding the Fourth Proportional to 526.52, 788.70 and 465.80

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Solution

The fourth proportional to 526.52, 788.70 and 465.80 is: 697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.52 : 788.70 = 465.80 : x
  2. Step 2: Convert to fraction form
    526.52/788.70 = 465.80/x
  3. Step 3: Cross multiply
    526.52x = 788.70 × 465.80
  4. Step 4: Simplify right side
    526.52x = 367,376.46
  5. Step 5: Solve for x
    x = 367,376.46/526.52
  6. Step 6: Final answer
    x = 697.74

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