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Finding the Fourth Proportional to 602,684.28, 831,705.84 and 330,754.32

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Solution

The fourth proportional to 602,684.28, 831,705.84 and 330,754.32 is: 456,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,684.28 : 831,705.84 = 330,754.32 : x
  2. Step 2: Convert to fraction form
    602,684.28/831,705.84 = 330,754.32/x
  3. Step 3: Cross multiply
    602,684.28x = 831,705.84 × 330,754.32
  4. Step 4: Simplify right side
    602,684.28x = 275,090,299,549.23
  5. Step 5: Solve for x
    x = 275,090,299,549.23/602,684.28
  6. Step 6: Final answer
    x = 456,441.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.