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Finding the Fourth Proportional to 565,230.30, 847,845.45 and 489,122.70

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Solution

The fourth proportional to 565,230.30, 847,845.45 and 489,122.70 is: 733,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,230.30 : 847,845.45 = 489,122.70 : x
  2. Step 2: Convert to fraction form
    565,230.30/847,845.45 = 489,122.70/x
  3. Step 3: Cross multiply
    565,230.30x = 847,845.45 × 489,122.70
  4. Step 4: Simplify right side
    565,230.30x = 414,700,455,686.72
  5. Step 5: Solve for x
    x = 414,700,455,686.72/565,230.30
  6. Step 6: Final answer
    x = 733,684.05

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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.