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Finding the Fourth Proportional to 560,274.15, 773,177.42 and 305,625.33

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Solution

The fourth proportional to 560,274.15, 773,177.42 and 305,625.33 is: 421,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,274.15 : 773,177.42 = 305,625.33 : x
  2. Step 2: Convert to fraction form
    560,274.15/773,177.42 = 305,625.33/x
  3. Step 3: Cross multiply
    560,274.15x = 773,177.42 × 305,625.33
  4. Step 4: Simplify right side
    560,274.15x = 236,302,602,607.92
  5. Step 5: Solve for x
    x = 236,302,602,607.92/560,274.15
  6. Step 6: Final answer
    x = 421,762.46

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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.