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Finding the Fourth Proportional to 461,352.51, 691,782.12 and 236,621.25

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Solution

The fourth proportional to 461,352.51, 691,782.12 and 236,621.25 is: 354,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,352.51 : 691,782.12 = 236,621.25 : x
  2. Step 2: Convert to fraction form
    461,352.51/691,782.12 = 236,621.25/x
  3. Step 3: Cross multiply
    461,352.51x = 691,782.12 × 236,621.25
  4. Step 4: Simplify right side
    461,352.51x = 163,690,349,962.05
  5. Step 5: Solve for x
    x = 163,690,349,962.05/461,352.51
  6. Step 6: Final answer
    x = 354,805.37

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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.