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Finding the Fourth Proportional to 450,507.89, 621,856.44 and 259,597.37

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Solution

The fourth proportional to 450,507.89, 621,856.44 and 259,597.37 is: 358,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,507.89 : 621,856.44 = 259,597.37 : x
  2. Step 2: Convert to fraction form
    450,507.89/621,856.44 = 259,597.37/x
  3. Step 3: Cross multiply
    450,507.89x = 621,856.44 × 259,597.37
  4. Step 4: Simplify right side
    450,507.89x = 161,432,293,232.28
  5. Step 5: Solve for x
    x = 161,432,293,232.28/450,507.89
  6. Step 6: Final answer
    x = 358,334.00

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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.