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Finding the Fourth Proportional to 363,471.51, 501,637.73 and 208,483.26

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Solution

The fourth proportional to 363,471.51, 501,637.73 and 208,483.26 is: 287,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,471.51 : 501,637.73 = 208,483.26 : x
  2. Step 2: Convert to fraction form
    363,471.51/501,637.73 = 208,483.26/x
  3. Step 3: Cross multiply
    363,471.51x = 501,637.73 × 208,483.26
  4. Step 4: Simplify right side
    363,471.51x = 104,583,069,289.40
  5. Step 5: Solve for x
    x = 104,583,069,289.40/363,471.51
  6. Step 6: Final answer
    x = 287,733.88

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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.