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Finding the Fourth Proportional to 219,741.60, 329,612.40 and 164,445.60

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Solution

The fourth proportional to 219,741.60, 329,612.40 and 164,445.60 is: 246,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,741.60 : 329,612.40 = 164,445.60 : x
  2. Step 2: Convert to fraction form
    219,741.60/329,612.40 = 164,445.60/x
  3. Step 3: Cross multiply
    219,741.60x = 329,612.40 × 164,445.60
  4. Step 4: Simplify right side
    219,741.60x = 54,203,308,885.44
  5. Step 5: Solve for x
    x = 54,203,308,885.44/219,741.60
  6. Step 6: Final answer
    x = 246,668.40

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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.