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Finding the Fourth Proportional to 302,578.35, 417,541.60 and 166,586.48

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Solution

The fourth proportional to 302,578.35, 417,541.60 and 166,586.48 is: 229,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,578.35 : 417,541.60 = 166,586.48 : x
  2. Step 2: Convert to fraction form
    302,578.35/417,541.60 = 166,586.48/x
  3. Step 3: Cross multiply
    302,578.35x = 417,541.60 × 166,586.48
  4. Step 4: Simplify right side
    302,578.35x = 69,556,782,893.39
  5. Step 5: Solve for x
    x = 69,556,782,893.39/302,578.35
  6. Step 6: Final answer
    x = 229,880.24

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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.