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Finding the Fourth Proportional to 521,362.36, 719,495.22 and 295,003

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Solution

The fourth proportional to 521,362.36, 719,495.22 and 295,003 is: 407,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,362.36 : 719,495.22 = 295,003 : x
  2. Step 2: Convert to fraction form
    521,362.36/719,495.22 = 295,003/x
  3. Step 3: Cross multiply
    521,362.36x = 719,495.22 × 295,003
  4. Step 4: Simplify right side
    521,362.36x = 212,253,248,385.66
  5. Step 5: Solve for x
    x = 212,253,248,385.66/521,362.36
  6. Step 6: Final answer
    x = 407,112.72

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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.