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Finding the Fourth Proportional to 508,245.89, 701,261.60 and 304,219.26

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Solution

The fourth proportional to 508,245.89, 701,261.60 and 304,219.26 is: 419,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,245.89 : 701,261.60 = 304,219.26 : x
  2. Step 2: Convert to fraction form
    508,245.89/701,261.60 = 304,219.26/x
  3. Step 3: Cross multiply
    508,245.89x = 701,261.60 × 304,219.26
  4. Step 4: Simplify right side
    508,245.89x = 213,337,283,497.32
  5. Step 5: Solve for x
    x = 213,337,283,497.32/508,245.89
  6. Step 6: Final answer
    x = 419,752.11

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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.