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Finding the Fourth Proportional to 366,749.82, 505,995.03 and 213,752.94

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Solution

The fourth proportional to 366,749.82, 505,995.03 and 213,752.94 is: 294,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,749.82 : 505,995.03 = 213,752.94 : x
  2. Step 2: Convert to fraction form
    366,749.82/505,995.03 = 213,752.94/x
  3. Step 3: Cross multiply
    366,749.82x = 505,995.03 × 213,752.94
  4. Step 4: Simplify right side
    366,749.82x = 108,157,925,287.89
  5. Step 5: Solve for x
    x = 108,157,925,287.89/366,749.82
  6. Step 6: Final answer
    x = 294,909.28

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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.