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Finding the Fourth Proportional to 353,578.62, 530,315.28 and 116,922.54

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Solution

The fourth proportional to 353,578.62, 530,315.28 and 116,922.54 is: 175,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,578.62 : 530,315.28 = 116,922.54 : x
  2. Step 2: Convert to fraction form
    353,578.62/530,315.28 = 116,922.54/x
  3. Step 3: Cross multiply
    353,578.62x = 530,315.28 × 116,922.54
  4. Step 4: Simplify right side
    353,578.62x = 62,005,809,538.41
  5. Step 5: Solve for x
    x = 62,005,809,538.41/353,578.62
  6. Step 6: Final answer
    x = 175,366.40

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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.