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Finding the Fourth Proportional to 560,812.48, 773,920.48 and 359,608

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Solution

The fourth proportional to 560,812.48, 773,920.48 and 359,608 is: 496,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,812.48 : 773,920.48 = 359,608 : x
  2. Step 2: Convert to fraction form
    560,812.48/773,920.48 = 359,608/x
  3. Step 3: Cross multiply
    560,812.48x = 773,920.48 × 359,608
  4. Step 4: Simplify right side
    560,812.48x = 278,307,995,971.84
  5. Step 5: Solve for x
    x = 278,307,995,971.84/560,812.48
  6. Step 6: Final answer
    x = 496,258.56

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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.