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Finding the Fourth Proportional to 346,286.40, 519,429.60 and 159,662.40

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Solution

The fourth proportional to 346,286.40, 519,429.60 and 159,662.40 is: 239,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,286.40 : 519,429.60 = 159,662.40 : x
  2. Step 2: Convert to fraction form
    346,286.40/519,429.60 = 159,662.40/x
  3. Step 3: Cross multiply
    346,286.40x = 519,429.60 × 159,662.40
  4. Step 4: Simplify right side
    346,286.40x = 82,933,376,567.04
  5. Step 5: Solve for x
    x = 82,933,376,567.04/346,286.40
  6. Step 6: Final answer
    x = 239,493.60

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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.