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Finding the Fourth Proportional to 650,619.98, 897,883.64 and 360,231.55

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Solution

The fourth proportional to 650,619.98, 897,883.64 and 360,231.55 is: 497,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,619.98 : 897,883.64 = 360,231.55 : x
  2. Step 2: Convert to fraction form
    650,619.98/897,883.64 = 360,231.55/x
  3. Step 3: Cross multiply
    650,619.98x = 897,883.64 × 360,231.55
  4. Step 4: Simplify right side
    650,619.98x = 323,446,009,066.27
  5. Step 5: Solve for x
    x = 323,446,009,066.27/650,619.98
  6. Step 6: Final answer
    x = 497,135.07

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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.