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Finding the Fourth Proportional to 346,867.60, 520,301.40 and 222,451.60

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Solution

The fourth proportional to 346,867.60, 520,301.40 and 222,451.60 is: 333,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,867.60 : 520,301.40 = 222,451.60 : x
  2. Step 2: Convert to fraction form
    346,867.60/520,301.40 = 222,451.60/x
  3. Step 3: Cross multiply
    346,867.60x = 520,301.40 × 222,451.60
  4. Step 4: Simplify right side
    346,867.60x = 115,741,878,912.24
  5. Step 5: Solve for x
    x = 115,741,878,912.24/346,867.60
  6. Step 6: Final answer
    x = 333,677.40

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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.