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Finding the Fourth Proportional to 565,234.30, 847,851.45 and 489,126.70

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Solution

The fourth proportional to 565,234.30, 847,851.45 and 489,126.70 is: 733,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,234.30 : 847,851.45 = 489,126.70 : x
  2. Step 2: Convert to fraction form
    565,234.30/847,851.45 = 489,126.70/x
  3. Step 3: Cross multiply
    565,234.30x = 847,851.45 × 489,126.70
  4. Step 4: Simplify right side
    565,234.30x = 414,706,781,828.72
  5. Step 5: Solve for x
    x = 414,706,781,828.72/565,234.30
  6. Step 6: Final answer
    x = 733,690.05

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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.