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Finding the Fourth Proportional to 255,477.74, 352,542.26 and 148,028.64

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Solution

The fourth proportional to 255,477.74, 352,542.26 and 148,028.64 is: 204,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,477.74 : 352,542.26 = 148,028.64 : x
  2. Step 2: Convert to fraction form
    255,477.74/352,542.26 = 148,028.64/x
  3. Step 3: Cross multiply
    255,477.74x = 352,542.26 × 148,028.64
  4. Step 4: Simplify right side
    255,477.74x = 52,186,351,290.33
  5. Step 5: Solve for x
    x = 52,186,351,290.33/255,477.74
  6. Step 6: Final answer
    x = 204,269.66

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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.