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Finding the Fourth Proportional to 562,880.30, 776,773.79 and 304,757.22

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Solution

The fourth proportional to 562,880.30, 776,773.79 and 304,757.22 is: 420,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,880.30 : 776,773.79 = 304,757.22 : x
  2. Step 2: Convert to fraction form
    562,880.30/776,773.79 = 304,757.22/x
  3. Step 3: Cross multiply
    562,880.30x = 776,773.79 × 304,757.22
  4. Step 4: Simplify right side
    562,880.30x = 236,727,419,285.48
  5. Step 5: Solve for x
    x = 236,727,419,285.48/562,880.30
  6. Step 6: Final answer
    x = 420,564.41

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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.