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Finding the Fourth Proportional to 668,560.97, 922,608.73 and 362,636.60

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Solution

The fourth proportional to 668,560.97, 922,608.73 and 362,636.60 is: 500,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,560.97 : 922,608.73 = 362,636.60 : x
  2. Step 2: Convert to fraction form
    668,560.97/922,608.73 = 362,636.60/x
  3. Step 3: Cross multiply
    668,560.97x = 922,608.73 × 362,636.60
  4. Step 4: Simplify right side
    668,560.97x = 334,571,688,817.77
  5. Step 5: Solve for x
    x = 334,571,688,817.77/668,560.97
  6. Step 6: Final answer
    x = 500,435.57

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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.