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Finding the Fourth Proportional to 560,513.88, 773,525.56 and 305,881.48

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Solution

The fourth proportional to 560,513.88, 773,525.56 and 305,881.48 is: 422,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,513.88 : 773,525.56 = 305,881.48 : x
  2. Step 2: Convert to fraction form
    560,513.88/773,525.56 = 305,881.48/x
  3. Step 3: Cross multiply
    560,513.88x = 773,525.56 × 305,881.48
  4. Step 4: Simplify right side
    560,513.88x = 236,607,143,110.63
  5. Step 5: Solve for x
    x = 236,607,143,110.63/560,513.88
  6. Step 6: Final answer
    x = 422,125.40

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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.