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Finding the Fourth Proportional to 571,952.70, 788,966.79 and 356,719.10

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Solution

The fourth proportional to 571,952.70, 788,966.79 and 356,719.10 is: 492,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,952.70 : 788,966.79 = 356,719.10 : x
  2. Step 2: Convert to fraction form
    571,952.70/788,966.79 = 356,719.10/x
  3. Step 3: Cross multiply
    571,952.70x = 788,966.79 × 356,719.10
  4. Step 4: Simplify right side
    571,952.70x = 281,439,519,313.86
  5. Step 5: Solve for x
    x = 281,439,519,313.86/571,952.70
  6. Step 6: Final answer
    x = 492,067.82

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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.