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Finding the Fourth Proportional to 545,105.67, 751,926.96 and 354,246.18

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Solution

The fourth proportional to 545,105.67, 751,926.96 and 354,246.18 is: 488,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,105.67 : 751,926.96 = 354,246.18 : x
  2. Step 2: Convert to fraction form
    545,105.67/751,926.96 = 354,246.18/x
  3. Step 3: Cross multiply
    545,105.67x = 751,926.96 × 354,246.18
  4. Step 4: Simplify right side
    545,105.67x = 266,367,253,219.01
  5. Step 5: Solve for x
    x = 266,367,253,219.01/545,105.67
  6. Step 6: Final answer
    x = 488,652.51

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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.