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Finding the Fourth Proportional to 353,268.05, 530,972.64 and 233,732.71

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Solution

The fourth proportional to 353,268.05, 530,972.64 and 233,732.71 is: 351,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,268.05 : 530,972.64 = 233,732.71 : x
  2. Step 2: Convert to fraction form
    353,268.05/530,972.64 = 233,732.71/x
  3. Step 3: Cross multiply
    353,268.05x = 530,972.64 × 233,732.71
  4. Step 4: Simplify right side
    353,268.05x = 124,105,674,083.05
  5. Step 5: Solve for x
    x = 124,105,674,083.05/353,268.05
  6. Step 6: Final answer
    x = 351,307.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.