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Finding the Fourth Proportional to 519,787.44, 779,746.72 and 182,748.88

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Solution

The fourth proportional to 519,787.44, 779,746.72 and 182,748.88 is: 274,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,787.44 : 779,746.72 = 182,748.88 : x
  2. Step 2: Convert to fraction form
    519,787.44/779,746.72 = 182,748.88/x
  3. Step 3: Cross multiply
    519,787.44x = 779,746.72 × 182,748.88
  4. Step 4: Simplify right side
    519,787.44x = 142,497,839,763.67
  5. Step 5: Solve for x
    x = 142,497,839,763.67/519,787.44
  6. Step 6: Final answer
    x = 274,146.37

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Double scale
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Similar ratio
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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.