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Finding the Fourth Proportional to 255,598.22, 352,627.46 and 153,648.48

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Solution

The fourth proportional to 255,598.22, 352,627.46 and 153,648.48 is: 211,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,598.22 : 352,627.46 = 153,648.48 : x
  2. Step 2: Convert to fraction form
    255,598.22/352,627.46 = 153,648.48/x
  3. Step 3: Cross multiply
    255,598.22x = 352,627.46 × 153,648.48
  4. Step 4: Simplify right side
    255,598.22x = 54,180,672,467.02
  5. Step 5: Solve for x
    x = 54,180,672,467.02/255,598.22
  6. Step 6: Final answer
    x = 211,975.94

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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.