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Finding the Fourth Proportional to 519,061.08, 778,706.97 and 159,281.97

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Solution

The fourth proportional to 519,061.08, 778,706.97 and 159,281.97 is: 238,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,061.08 : 778,706.97 = 159,281.97 : x
  2. Step 2: Convert to fraction form
    519,061.08/778,706.97 = 159,281.97/x
  3. Step 3: Cross multiply
    519,061.08x = 778,706.97 × 159,281.97
  4. Step 4: Simplify right side
    519,061.08x = 124,033,980,234.33
  5. Step 5: Solve for x
    x = 124,033,980,234.33/519,061.08
  6. Step 6: Final answer
    x = 238,958.35

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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.