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Finding the Fourth Proportional to 551,277.95, 825,809.74 and 251,345.94

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Solution

The fourth proportional to 551,277.95, 825,809.74 and 251,345.94 is: 376,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,277.95 : 825,809.74 = 251,345.94 : x
  2. Step 2: Convert to fraction form
    551,277.95/825,809.74 = 251,345.94/x
  3. Step 3: Cross multiply
    551,277.95x = 825,809.74 × 251,345.94
  4. Step 4: Simplify right side
    551,277.95x = 207,563,921,636.30
  5. Step 5: Solve for x
    x = 207,563,921,636.30/551,277.95
  6. Step 6: Final answer
    x = 376,514.10

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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.