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Finding the Fourth Proportional to 354,242.06, 488,844.30 and 193,100.26

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Solution

The fourth proportional to 354,242.06, 488,844.30 and 193,100.26 is: 266,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,242.06 : 488,844.30 = 193,100.26 : x
  2. Step 2: Convert to fraction form
    354,242.06/488,844.30 = 193,100.26/x
  3. Step 3: Cross multiply
    354,242.06x = 488,844.30 × 193,100.26
  4. Step 4: Simplify right side
    354,242.06x = 94,395,961,429.52
  5. Step 5: Solve for x
    x = 94,395,961,429.52/354,242.06
  6. Step 6: Final answer
    x = 266,473.05

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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.