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Finding the Fourth Proportional to 354,171.50, 488,742.44 and 193,023.09

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Solution

The fourth proportional to 354,171.50, 488,742.44 and 193,023.09 is: 266,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,171.50 : 488,742.44 = 193,023.09 : x
  2. Step 2: Convert to fraction form
    354,171.50/488,742.44 = 193,023.09/x
  3. Step 3: Cross multiply
    354,171.50x = 488,742.44 × 193,023.09
  4. Step 4: Simplify right side
    354,171.50x = 94,338,575,017.82
  5. Step 5: Solve for x
    x = 94,338,575,017.82/354,171.50
  6. Step 6: Final answer
    x = 266,364.11

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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.