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Finding the Fourth Proportional to 353,463.36, 530,277.05 and 116,791.69

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Solution

The fourth proportional to 353,463.36, 530,277.05 and 116,791.69 is: 175,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,463.36 : 530,277.05 = 116,791.69 : x
  2. Step 2: Convert to fraction form
    353,463.36/530,277.05 = 116,791.69/x
  3. Step 3: Cross multiply
    353,463.36x = 530,277.05 × 116,791.69
  4. Step 4: Simplify right side
    353,463.36x = 61,931,952,837.71
  5. Step 5: Solve for x
    x = 61,931,952,837.71/353,463.36
  6. Step 6: Final answer
    x = 175,214.63

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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.