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Finding the Fourth Proportional to 313,599.60, 470,442.60 and 136,101.60

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Solution

The fourth proportional to 313,599.60, 470,442.60 and 136,101.60 is: 204,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,599.60 : 470,442.60 = 136,101.60 : x
  2. Step 2: Convert to fraction form
    313,599.60/470,442.60 = 136,101.60/x
  3. Step 3: Cross multiply
    313,599.60x = 470,442.60 × 136,101.60
  4. Step 4: Simplify right side
    313,599.60x = 64,027,990,568.16
  5. Step 5: Solve for x
    x = 64,027,990,568.16/313,599.60
  6. Step 6: Final answer
    x = 204,171.15

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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.