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Finding the Fourth Proportional to 226,317.60, 339,476.40 and 147,585.60

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Solution

The fourth proportional to 226,317.60, 339,476.40 and 147,585.60 is: 221,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,317.60 : 339,476.40 = 147,585.60 : x
  2. Step 2: Convert to fraction form
    226,317.60/339,476.40 = 147,585.60/x
  3. Step 3: Cross multiply
    226,317.60x = 339,476.40 × 147,585.60
  4. Step 4: Simplify right side
    226,317.60x = 50,101,828,179.84
  5. Step 5: Solve for x
    x = 50,101,828,179.84/226,317.60
  6. Step 6: Final answer
    x = 221,378.40

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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.