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Finding the Fourth Proportional to 571,797, 788,563.26 and 356,956.92

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Solution

The fourth proportional to 571,797, 788,563.26 and 356,956.92 is: 492,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,797 : 788,563.26 = 356,956.92 : x
  2. Step 2: Convert to fraction form
    571,797/788,563.26 = 356,956.92/x
  3. Step 3: Cross multiply
    571,797x = 788,563.26 × 356,956.92
  4. Step 4: Simplify right side
    571,797x = 281,483,112,514.76
  5. Step 5: Solve for x
    x = 281,483,112,514.76/571,797
  6. Step 6: Final answer
    x = 492,278.05

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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.