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Finding the Fourth Proportional to 798,096.60, 1,197,728.10 and 561,900.60

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Solution

The fourth proportional to 798,096.60, 1,197,728.10 and 561,900.60 is: 843,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,096.60 : 1,197,728.10 = 561,900.60 : x
  2. Step 2: Convert to fraction form
    798,096.60/1,197,728.10 = 561,900.60/x
  3. Step 3: Cross multiply
    798,096.60x = 1,197,728.10 × 561,900.60
  4. Step 4: Simplify right side
    798,096.60x = 673,004,138,026.86
  5. Step 5: Solve for x
    x = 673,004,138,026.86/798,096.60
  6. Step 6: Final answer
    x = 843,261.50

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Half scale
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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.