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Finding the Fourth Proportional to 364,275.64, 502,736.22 and 221,024.44

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Solution

The fourth proportional to 364,275.64, 502,736.22 and 221,024.44 is: 305,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,275.64 : 502,736.22 = 221,024.44 : x
  2. Step 2: Convert to fraction form
    364,275.64/502,736.22 = 221,024.44/x
  3. Step 3: Cross multiply
    364,275.64x = 502,736.22 × 221,024.44
  4. Step 4: Simplify right side
    364,275.64x = 111,116,991,493.22
  5. Step 5: Solve for x
    x = 111,116,991,493.22/364,275.64
  6. Step 6: Final answer
    x = 305,035.47

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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.