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Finding the Fourth Proportional to 451,451.79, 677,205.24 and 151,907.22

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Solution

The fourth proportional to 451,451.79, 677,205.24 and 151,907.22 is: 227,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,451.79 : 677,205.24 = 151,907.22 : x
  2. Step 2: Convert to fraction form
    451,451.79/677,205.24 = 151,907.22/x
  3. Step 3: Cross multiply
    451,451.79x = 677,205.24 × 151,907.22
  4. Step 4: Simplify right side
    451,451.79x = 102,872,365,377.83
  5. Step 5: Solve for x
    x = 102,872,365,377.83/451,451.79
  6. Step 6: Final answer
    x = 227,870.10

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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.