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Finding the Fourth Proportional to 519,326.20, 778,989.30 and 294,599.80

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Solution

The fourth proportional to 519,326.20, 778,989.30 and 294,599.80 is: 441,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,326.20 : 778,989.30 = 294,599.80 : x
  2. Step 2: Convert to fraction form
    519,326.20/778,989.30 = 294,599.80/x
  3. Step 3: Cross multiply
    519,326.20x = 778,989.30 × 294,599.80
  4. Step 4: Simplify right side
    519,326.20x = 229,490,091,982.14
  5. Step 5: Solve for x
    x = 229,490,091,982.14/519,326.20
  6. Step 6: Final answer
    x = 441,899.70

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Similar ratio
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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.