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Finding the Fourth Proportional to 519,179.32, 778,851.32 and 219,662.14

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Solution

The fourth proportional to 519,179.32, 778,851.32 and 219,662.14 is: 329,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,179.32 : 778,851.32 = 219,662.14 : x
  2. Step 2: Convert to fraction form
    519,179.32/778,851.32 = 219,662.14/x
  3. Step 3: Cross multiply
    519,179.32x = 778,851.32 × 219,662.14
  4. Step 4: Simplify right side
    519,179.32x = 171,084,147,693.03
  5. Step 5: Solve for x
    x = 171,084,147,693.03/519,179.32
  6. Step 6: Final answer
    x = 329,528.05

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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.