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Finding the Fourth Proportional to 571,776.92, 788,535.82 and 356,936.92

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Solution

The fourth proportional to 571,776.92, 788,535.82 and 356,936.92 is: 492,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,776.92 : 788,535.82 = 356,936.92 : x
  2. Step 2: Convert to fraction form
    571,776.92/788,535.82 = 356,936.92/x
  3. Step 3: Cross multiply
    571,776.92x = 788,535.82 × 356,936.92
  4. Step 4: Simplify right side
    571,776.92x = 281,457,546,900.47
  5. Step 5: Solve for x
    x = 281,457,546,900.47/571,776.92
  6. Step 6: Final answer
    x = 492,250.63

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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.