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Finding the Fourth Proportional to 264,479.45, 365,074.77 and 157,048.70

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Solution

The fourth proportional to 264,479.45, 365,074.77 and 157,048.70 is: 216,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,479.45 : 365,074.77 = 157,048.70 : x
  2. Step 2: Convert to fraction form
    264,479.45/365,074.77 = 157,048.70/x
  3. Step 3: Cross multiply
    264,479.45x = 365,074.77 × 157,048.70
  4. Step 4: Simplify right side
    264,479.45x = 57,334,517,379.93
  5. Step 5: Solve for x
    x = 57,334,517,379.93/264,479.45
  6. Step 6: Final answer
    x = 216,782.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.