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Finding the Fourth Proportional to 560,201.90, 773,087.85 and 305,553.11

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Solution

The fourth proportional to 560,201.90, 773,087.85 and 305,553.11 is: 421,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,201.90 : 773,087.85 = 305,553.11 : x
  2. Step 2: Convert to fraction form
    560,201.90/773,087.85 = 305,553.11/x
  3. Step 3: Cross multiply
    560,201.90x = 773,087.85 × 305,553.11
  4. Step 4: Simplify right side
    560,201.90x = 236,219,393,005.27
  5. Step 5: Solve for x
    x = 236,219,393,005.27/560,201.90
  6. Step 6: Final answer
    x = 421,668.32

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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.