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Finding the Fourth Proportional to 602,619.94, 831,613.24 and 330,692.41

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Solution

The fourth proportional to 602,619.94, 831,613.24 and 330,692.41 is: 456,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,619.94 : 831,613.24 = 330,692.41 : x
  2. Step 2: Convert to fraction form
    602,619.94/831,613.24 = 330,692.41/x
  3. Step 3: Cross multiply
    602,619.94x = 831,613.24 × 330,692.41
  4. Step 4: Simplify right side
    602,619.94x = 275,008,186,523.51
  5. Step 5: Solve for x
    x = 275,008,186,523.51/602,619.94
  6. Step 6: Final answer
    x = 456,354.28

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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.