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Finding the Fourth Proportional to 584,575.40, 876,863.10 and 163,796.60

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Solution

The fourth proportional to 584,575.40, 876,863.10 and 163,796.60 is: 245,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,575.40 : 876,863.10 = 163,796.60 : x
  2. Step 2: Convert to fraction form
    584,575.40/876,863.10 = 163,796.60/x
  3. Step 3: Cross multiply
    584,575.40x = 876,863.10 × 163,796.60
  4. Step 4: Simplify right side
    584,575.40x = 143,627,194,445.46
  5. Step 5: Solve for x
    x = 143,627,194,445.46/584,575.40
  6. Step 6: Final answer
    x = 245,694.90

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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.