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Finding the Fourth Proportional to 474,424.44, 654,919.74 and 302,573.22

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Solution

The fourth proportional to 474,424.44, 654,919.74 and 302,573.22 is: 417,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,424.44 : 654,919.74 = 302,573.22 : x
  2. Step 2: Convert to fraction form
    474,424.44/654,919.74 = 302,573.22/x
  3. Step 3: Cross multiply
    474,424.44x = 654,919.74 × 302,573.22
  4. Step 4: Simplify right side
    474,424.44x = 198,161,174,573.36
  5. Step 5: Solve for x
    x = 198,161,174,573.36/474,424.44
  6. Step 6: Final answer
    x = 417,687.53

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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.