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Finding the Fourth Proportional to 353,438.82, 530,045.91 and 116,737.38

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Solution

The fourth proportional to 353,438.82, 530,045.91 and 116,737.38 is: 175,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,438.82 : 530,045.91 = 116,737.38 : x
  2. Step 2: Convert to fraction form
    353,438.82/530,045.91 = 116,737.38/x
  3. Step 3: Cross multiply
    353,438.82x = 530,045.91 × 116,737.38
  4. Step 4: Simplify right side
    353,438.82x = 61,876,170,813.12
  5. Step 5: Solve for x
    x = 61,876,170,813.12/353,438.82
  6. Step 6: Final answer
    x = 175,068.97

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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.