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Finding the Fourth Proportional to 194,460.60, 291,690.90 and 171,132.60

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Solution

The fourth proportional to 194,460.60, 291,690.90 and 171,132.60 is: 256,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,460.60 : 291,690.90 = 171,132.60 : x
  2. Step 2: Convert to fraction form
    194,460.60/291,690.90 = 171,132.60/x
  3. Step 3: Cross multiply
    194,460.60x = 291,690.90 × 171,132.60
  4. Step 4: Simplify right side
    194,460.60x = 49,917,822,113.34
  5. Step 5: Solve for x
    x = 49,917,822,113.34/194,460.60
  6. Step 6: Final answer
    x = 256,698.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.