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Finding the Fourth Proportional to 571,950.70, 788,964.04 and 356,717.10

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Solution

The fourth proportional to 571,950.70, 788,964.04 and 356,717.10 is: 492,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,950.70 : 788,964.04 = 356,717.10 : x
  2. Step 2: Convert to fraction form
    571,950.70/788,964.04 = 356,717.10/x
  3. Step 3: Cross multiply
    571,950.70x = 788,964.04 × 356,717.10
  4. Step 4: Simplify right side
    571,950.70x = 281,436,959,516.47
  5. Step 5: Solve for x
    x = 281,436,959,516.47/571,950.70
  6. Step 6: Final answer
    x = 492,065.07

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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.