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Finding the Fourth Proportional to 602,661.49, 831,612.31 and 360,937.87

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Solution

The fourth proportional to 602,661.49, 831,612.31 and 360,937.87 is: 498,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,661.49 : 831,612.31 = 360,937.87 : x
  2. Step 2: Convert to fraction form
    602,661.49/831,612.31 = 360,937.87/x
  3. Step 3: Cross multiply
    602,661.49x = 831,612.31 × 360,937.87
  4. Step 4: Simplify right side
    602,661.49x = 300,160,375,837.18
  5. Step 5: Solve for x
    x = 300,160,375,837.18/602,661.49
  6. Step 6: Final answer
    x = 498,058.00

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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.