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Finding the Fourth Proportional to 602,371.13, 831,283.25 and 330,452.91

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Solution

The fourth proportional to 602,371.13, 831,283.25 and 330,452.91 is: 456,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,371.13 : 831,283.25 = 330,452.91 : x
  2. Step 2: Convert to fraction form
    602,371.13/831,283.25 = 330,452.91/x
  3. Step 3: Cross multiply
    602,371.13x = 831,283.25 × 330,452.91
  4. Step 4: Simplify right side
    602,371.13x = 274,699,967,344.49
  5. Step 5: Solve for x
    x = 274,699,967,344.49/602,371.13
  6. Step 6: Final answer
    x = 456,031.10

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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.