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Finding the Fourth Proportional to 602,363.56, 831,262.98 and 330,433.65

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Solution

The fourth proportional to 602,363.56, 831,262.98 and 330,433.65 is: 455,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,363.56 : 831,262.98 = 330,433.65 : x
  2. Step 2: Convert to fraction form
    602,363.56/831,262.98 = 330,433.65/x
  3. Step 3: Cross multiply
    602,363.56x = 831,262.98 × 330,433.65
  4. Step 4: Simplify right side
    602,363.56x = 274,677,260,391.23
  5. Step 5: Solve for x
    x = 274,677,260,391.23/602,363.56
  6. Step 6: Final answer
    x = 455,999.13

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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.