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Finding the Fourth Proportional to 526, 788.46 and 179.02

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Solution

The fourth proportional to 526, 788.46 and 179.02 is: 268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526 : 788.46 = 179.02 : x
  2. Step 2: Convert to fraction form
    526/788.46 = 179.02/x
  3. Step 3: Cross multiply
    526x = 788.46 × 179.02
  4. Step 4: Simplify right side
    526x = 141,150.11
  5. Step 5: Solve for x
    x = 141,150.11/526
  6. Step 6: Final answer
    x = 268.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.