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Finding the Fourth Proportional to 501,447.70, 751,464.29 and 276,909.22

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Solution

The fourth proportional to 501,447.70, 751,464.29 and 276,909.22 is: 414,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,447.70 : 751,464.29 = 276,909.22 : x
  2. Step 2: Convert to fraction form
    501,447.70/751,464.29 = 276,909.22/x
  3. Step 3: Cross multiply
    501,447.70x = 751,464.29 × 276,909.22
  4. Step 4: Simplify right side
    501,447.70x = 208,087,389,017.21
  5. Step 5: Solve for x
    x = 208,087,389,017.21/501,447.70
  6. Step 6: Final answer
    x = 414,973.26

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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.