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Finding the Fourth Proportional to 451,858.86, 677,315.37 and 152,235.92

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Solution

The fourth proportional to 451,858.86, 677,315.37 and 152,235.92 is: 228,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,858.86 : 677,315.37 = 152,235.92 : x
  2. Step 2: Convert to fraction form
    451,858.86/677,315.37 = 152,235.92/x
  3. Step 3: Cross multiply
    451,858.86x = 677,315.37 × 152,235.92
  4. Step 4: Simplify right side
    451,858.86x = 103,111,728,482.09
  5. Step 5: Solve for x
    x = 103,111,728,482.09/451,858.86
  6. Step 6: Final answer
    x = 228,194.55

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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.