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Finding the Fourth Proportional to 602,664.48, 831,616.44 and 360,940.88

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Solution

The fourth proportional to 602,664.48, 831,616.44 and 360,940.88 is: 498,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,664.48 : 831,616.44 = 360,940.88 : x
  2. Step 2: Convert to fraction form
    602,664.48/831,616.44 = 360,940.88/x
  3. Step 3: Cross multiply
    602,664.48x = 831,616.44 × 360,940.88
  4. Step 4: Simplify right side
    602,664.48x = 300,164,369,676.07
  5. Step 5: Solve for x
    x = 300,164,369,676.07/602,664.48
  6. Step 6: Final answer
    x = 498,062.16

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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.