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Finding the Fourth Proportional to 265,228.89, 397,839.45 and 65,549.30

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Solution

The fourth proportional to 265,228.89, 397,839.45 and 65,549.30 is: 98,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,228.89 : 397,839.45 = 65,549.30 : x
  2. Step 2: Convert to fraction form
    265,228.89/397,839.45 = 65,549.30/x
  3. Step 3: Cross multiply
    265,228.89x = 397,839.45 × 65,549.30
  4. Step 4: Simplify right side
    265,228.89x = 26,078,095,716.50
  5. Step 5: Solve for x
    x = 26,078,095,716.50/265,228.89
  6. Step 6: Final answer
    x = 98,322.98

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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.