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Finding the Fourth Proportional to 562,016.12, 775,580.54 and 303,891.30

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Solution

The fourth proportional to 562,016.12, 775,580.54 and 303,891.30 is: 419,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,016.12 : 775,580.54 = 303,891.30 : x
  2. Step 2: Convert to fraction form
    562,016.12/775,580.54 = 303,891.30/x
  3. Step 3: Cross multiply
    562,016.12x = 775,580.54 × 303,891.30
  4. Step 4: Simplify right side
    562,016.12x = 235,692,178,555.30
  5. Step 5: Solve for x
    x = 235,692,178,555.30/562,016.12
  6. Step 6: Final answer
    x = 419,369.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.