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Finding the Fourth Proportional to 335,332.80, 504,015.40 and 221,867.62

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Solution

The fourth proportional to 335,332.80, 504,015.40 and 221,867.62 is: 333,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,332.80 : 504,015.40 = 221,867.62 : x
  2. Step 2: Convert to fraction form
    335,332.80/504,015.40 = 221,867.62/x
  3. Step 3: Cross multiply
    335,332.80x = 504,015.40 × 221,867.62
  4. Step 4: Simplify right side
    335,332.80x = 111,824,696,655.41
  5. Step 5: Solve for x
    x = 111,824,696,655.41/335,332.80
  6. Step 6: Final answer
    x = 333,473.78

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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.