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Finding the Fourth Proportional to 335,719.40, 470,836.60 and 335,719.40

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Solution

The fourth proportional to 335,719.40, 470,836.60 and 335,719.40 is: 470,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,719.40 : 470,836.60 = 335,719.40 : x
  2. Step 2: Convert to fraction form
    335,719.40/470,836.60 = 335,719.40/x
  3. Step 3: Cross multiply
    335,719.40x = 470,836.60 × 335,719.40
  4. Step 4: Simplify right side
    335,719.40x = 158,068,980,850.04
  5. Step 5: Solve for x
    x = 158,068,980,850.04/335,719.40
  6. Step 6: Final answer
    x = 470,836.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.