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Finding the Fourth Proportional to 563,497.60, 845,246.40 and 327,447.40

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Solution

The fourth proportional to 563,497.60, 845,246.40 and 327,447.40 is: 491,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,497.60 : 845,246.40 = 327,447.40 : x
  2. Step 2: Convert to fraction form
    563,497.60/845,246.40 = 327,447.40/x
  3. Step 3: Cross multiply
    563,497.60x = 845,246.40 × 327,447.40
  4. Step 4: Simplify right side
    563,497.60x = 276,773,736,039.36
  5. Step 5: Solve for x
    x = 276,773,736,039.36/563,497.60
  6. Step 6: Final answer
    x = 491,171.10

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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.