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Finding the Fourth Proportional to 478,668.24, 660,576.06 and 263,822.22

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Solution

The fourth proportional to 478,668.24, 660,576.06 and 263,822.22 is: 364,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,668.24 : 660,576.06 = 263,822.22 : x
  2. Step 2: Convert to fraction form
    478,668.24/660,576.06 = 263,822.22/x
  3. Step 3: Cross multiply
    478,668.24x = 660,576.06 × 263,822.22
  4. Step 4: Simplify right side
    478,668.24x = 174,274,642,628.05
  5. Step 5: Solve for x
    x = 174,274,642,628.05/478,668.24
  6. Step 6: Final answer
    x = 364,082.32

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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.