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Finding the Fourth Proportional to 519,497.60, 779,246.40 and 164,511.04

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Solution

The fourth proportional to 519,497.60, 779,246.40 and 164,511.04 is: 246,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,497.60 : 779,246.40 = 164,511.04 : x
  2. Step 2: Convert to fraction form
    519,497.60/779,246.40 = 164,511.04/x
  3. Step 3: Cross multiply
    519,497.60x = 779,246.40 × 164,511.04
  4. Step 4: Simplify right side
    519,497.60x = 128,194,635,680.26
  5. Step 5: Solve for x
    x = 128,194,635,680.26/519,497.60
  6. Step 6: Final answer
    x = 246,766.56

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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.