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Finding the Fourth Proportional to 219,522.60, 329,447.58 and 148,276.68

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Solution

The fourth proportional to 219,522.60, 329,447.58 and 148,276.68 is: 222,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,522.60 : 329,447.58 = 148,276.68 : x
  2. Step 2: Convert to fraction form
    219,522.60/329,447.58 = 148,276.68/x
  3. Step 3: Cross multiply
    219,522.60x = 329,447.58 × 148,276.68
  4. Step 4: Simplify right side
    219,522.60x = 48,849,393,396.43
  5. Step 5: Solve for x
    x = 48,849,393,396.43/219,522.60
  6. Step 6: Final answer
    x = 222,525.58

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1.5x scale

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.