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Finding the Fourth Proportional to 551,280.95, 825,814.24 and 251,348.94

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Solution

The fourth proportional to 551,280.95, 825,814.24 and 251,348.94 is: 376,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,280.95 : 825,814.24 = 251,348.94 : x
  2. Step 2: Convert to fraction form
    551,280.95/825,814.24 = 251,348.94/x
  3. Step 3: Cross multiply
    551,280.95x = 825,814.24 × 251,348.94
  4. Step 4: Simplify right side
    551,280.95x = 207,567,533,860.91
  5. Step 5: Solve for x
    x = 207,567,533,860.91/551,280.95
  6. Step 6: Final answer
    x = 376,518.60

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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.