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Finding the Fourth Proportional to 219,832.40, 329,748.60 and 149,848.40

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Solution

The fourth proportional to 219,832.40, 329,748.60 and 149,848.40 is: 224,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,832.40 : 329,748.60 = 149,848.40 : x
  2. Step 2: Convert to fraction form
    219,832.40/329,748.60 = 149,848.40/x
  3. Step 3: Cross multiply
    219,832.40x = 329,748.60 × 149,848.40
  4. Step 4: Simplify right side
    219,832.40x = 49,412,300,112.24
  5. Step 5: Solve for x
    x = 49,412,300,112.24/219,832.40
  6. Step 6: Final answer
    x = 224,772.60

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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.