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Finding the Fourth Proportional to 500,718.06, 751,077.63 and 126,741.06

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Solution

The fourth proportional to 500,718.06, 751,077.63 and 126,741.06 is: 190,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,718.06 : 751,077.63 = 126,741.06 : x
  2. Step 2: Convert to fraction form
    500,718.06/751,077.63 = 126,741.06/x
  3. Step 3: Cross multiply
    500,718.06x = 751,077.63 × 126,741.06
  4. Step 4: Simplify right side
    500,718.06x = 95,192,374,968.49
  5. Step 5: Solve for x
    x = 95,192,374,968.49/500,718.06
  6. Step 6: Final answer
    x = 190,111.73

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Similar ratio
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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.