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Finding the Fourth Proportional to 366,636.88, 505,200.30 and 294,728.32

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Solution

The fourth proportional to 366,636.88, 505,200.30 and 294,728.32 is: 406,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,636.88 : 505,200.30 = 294,728.32 : x
  2. Step 2: Convert to fraction form
    366,636.88/505,200.30 = 294,728.32/x
  3. Step 3: Cross multiply
    366,636.88x = 505,200.30 × 294,728.32
  4. Step 4: Simplify right side
    366,636.88x = 148,896,835,682.50
  5. Step 5: Solve for x
    x = 148,896,835,682.50/366,636.88
  6. Step 6: Final answer
    x = 406,115.27

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1.5x scale

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.