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Finding the Fourth Proportional to 329,187.60, 493,781.40 and 118,832.40

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Solution

The fourth proportional to 329,187.60, 493,781.40 and 118,832.40 is: 178,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,187.60 : 493,781.40 = 118,832.40 : x
  2. Step 2: Convert to fraction form
    329,187.60/493,781.40 = 118,832.40/x
  3. Step 3: Cross multiply
    329,187.60x = 493,781.40 × 118,832.40
  4. Step 4: Simplify right side
    329,187.60x = 58,677,228,837.36
  5. Step 5: Solve for x
    x = 58,677,228,837.36/329,187.60
  6. Step 6: Final answer
    x = 178,248.60

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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.