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Finding the Fourth Proportional to 255,458.73, 352,506.57 and 157,326.44

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Solution

The fourth proportional to 255,458.73, 352,506.57 and 157,326.44 is: 217,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,458.73 : 352,506.57 = 157,326.44 : x
  2. Step 2: Convert to fraction form
    255,458.73/352,506.57 = 157,326.44/x
  3. Step 3: Cross multiply
    255,458.73x = 352,506.57 × 157,326.44
  4. Step 4: Simplify right side
    255,458.73x = 55,458,603,246.76
  5. Step 5: Solve for x
    x = 55,458,603,246.76/255,458.73
  6. Step 6: Final answer
    x = 217,094.18

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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.