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Finding the Fourth Proportional to 624,842.11, 937,069.32 and 225,430.96

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Solution

The fourth proportional to 624,842.11, 937,069.32 and 225,430.96 is: 338,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,842.11 : 937,069.32 = 225,430.96 : x
  2. Step 2: Convert to fraction form
    624,842.11/937,069.32 = 225,430.96/x
  3. Step 3: Cross multiply
    624,842.11x = 937,069.32 × 225,430.96
  4. Step 4: Simplify right side
    624,842.11x = 211,244,436,394.15
  5. Step 5: Solve for x
    x = 211,244,436,394.15/624,842.11
  6. Step 6: Final answer
    x = 338,076.50

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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.