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Finding the Fourth Proportional to 650,580.75, 898,355.48 and 409,267.17

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Solution

The fourth proportional to 650,580.75, 898,355.48 and 409,267.17 is: 565,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,580.75 : 898,355.48 = 409,267.17 : x
  2. Step 2: Convert to fraction form
    650,580.75/898,355.48 = 409,267.17/x
  3. Step 3: Cross multiply
    650,580.75x = 898,355.48 × 409,267.17
  4. Step 4: Simplify right side
    650,580.75x = 367,667,402,907.26
  5. Step 5: Solve for x
    x = 367,667,402,907.26/650,580.75
  6. Step 6: Final answer
    x = 565,137.23

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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.