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Finding the Fourth Proportional to 616,234.65, 923,761.49 and 260,759.67

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Solution

The fourth proportional to 616,234.65, 923,761.49 and 260,759.67 is: 390,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,234.65 : 923,761.49 = 260,759.67 : x
  2. Step 2: Convert to fraction form
    616,234.65/923,761.49 = 260,759.67/x
  3. Step 3: Cross multiply
    616,234.65x = 923,761.49 × 260,759.67
  4. Step 4: Simplify right side
    616,234.65x = 240,879,739,987.31
  5. Step 5: Solve for x
    x = 240,879,739,987.31/616,234.65
  6. Step 6: Final answer
    x = 390,889.64

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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.