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Finding the Fourth Proportional to 353,266.05, 530,969.64 and 233,730.71

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Solution

The fourth proportional to 353,266.05, 530,969.64 and 233,730.71 is: 351,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,266.05 : 530,969.64 = 233,730.71 : x
  2. Step 2: Convert to fraction form
    353,266.05/530,969.64 = 233,730.71/x
  3. Step 3: Cross multiply
    353,266.05x = 530,969.64 × 233,730.71
  4. Step 4: Simplify right side
    353,266.05x = 124,103,908,290.80
  5. Step 5: Solve for x
    x = 124,103,908,290.80/353,266.05
  6. Step 6: Final answer
    x = 351,304.37

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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.