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Finding the Fourth Proportional to 560,663.52, 840,495.12 and 205,594.56

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Solution

The fourth proportional to 560,663.52, 840,495.12 and 205,594.56 is: 308,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,663.52 : 840,495.12 = 205,594.56 : x
  2. Step 2: Convert to fraction form
    560,663.52/840,495.12 = 205,594.56/x
  3. Step 3: Cross multiply
    560,663.52x = 840,495.12 × 205,594.56
  4. Step 4: Simplify right side
    560,663.52x = 172,801,224,378.55
  5. Step 5: Solve for x
    x = 172,801,224,378.55/560,663.52
  6. Step 6: Final answer
    x = 308,208.43

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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.