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Finding the Fourth Proportional to 573,760, 791,788.80 and 335,296

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Solution

The fourth proportional to 573,760, 791,788.80 and 335,296 is: 462,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,760 : 791,788.80 = 335,296 : x
  2. Step 2: Convert to fraction form
    573,760/791,788.80 = 335,296/x
  3. Step 3: Cross multiply
    573,760x = 791,788.80 × 335,296
  4. Step 4: Simplify right side
    573,760x = 265,483,617,484.80
  5. Step 5: Solve for x
    x = 265,483,617,484.80/573,760
  6. Step 6: Final answer
    x = 462,708.48

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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.