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Finding the Fourth Proportional to 602,895.06, 831,942.73 and 330,962.57

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Solution

The fourth proportional to 602,895.06, 831,942.73 and 330,962.57 is: 456,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,895.06 : 831,942.73 = 330,962.57 : x
  2. Step 2: Convert to fraction form
    602,895.06/831,942.73 = 330,962.57/x
  3. Step 3: Cross multiply
    602,895.06x = 831,942.73 × 330,962.57
  4. Step 4: Simplify right side
    602,895.06x = 275,341,903,387.39
  5. Step 5: Solve for x
    x = 275,341,903,387.39/602,895.06
  6. Step 6: Final answer
    x = 456,699.55

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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.