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Finding the Fourth Proportional to 191,276.68, 263,410.48 and 190,693.48

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Solution

The fourth proportional to 191,276.68, 263,410.48 and 190,693.48 is: 262,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,276.68 : 263,410.48 = 190,693.48 : x
  2. Step 2: Convert to fraction form
    191,276.68/263,410.48 = 190,693.48/x
  3. Step 3: Cross multiply
    191,276.68x = 263,410.48 × 190,693.48
  4. Step 4: Simplify right side
    191,276.68x = 50,230,661,099.67
  5. Step 5: Solve for x
    x = 50,230,661,099.67/191,276.68
  6. Step 6: Final answer
    x = 262,607.35

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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.