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Finding the Fourth Proportional to 251,590.93, 377,386.32 and 172,465.27

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Solution

The fourth proportional to 251,590.93, 377,386.32 and 172,465.27 is: 258,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,590.93 : 377,386.32 = 172,465.27 : x
  2. Step 2: Convert to fraction form
    251,590.93/377,386.32 = 172,465.27/x
  3. Step 3: Cross multiply
    251,590.93x = 377,386.32 × 172,465.27
  4. Step 4: Simplify right side
    251,590.93x = 65,086,033,573.11
  5. Step 5: Solve for x
    x = 65,086,033,573.11/251,590.93
  6. Step 6: Final answer
    x = 258,697.85

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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.