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Finding the Fourth Proportional to 460,268.68, 690,172.16 and 268,205.32

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Solution

The fourth proportional to 460,268.68, 690,172.16 and 268,205.32 is: 402,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,268.68 : 690,172.16 = 268,205.32 : x
  2. Step 2: Convert to fraction form
    460,268.68/690,172.16 = 268,205.32/x
  3. Step 3: Cross multiply
    460,268.68x = 690,172.16 × 268,205.32
  4. Step 4: Simplify right side
    460,268.68x = 185,107,845,027.89
  5. Step 5: Solve for x
    x = 185,107,845,027.89/460,268.68
  6. Step 6: Final answer
    x = 402,173.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.