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Finding the Fourth Proportional to 403,326.56, 604,324.20 and 234,372.62

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Solution

The fourth proportional to 403,326.56, 604,324.20 and 234,372.62 is: 351,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,326.56 : 604,324.20 = 234,372.62 : x
  2. Step 2: Convert to fraction form
    403,326.56/604,324.20 = 234,372.62/x
  3. Step 3: Cross multiply
    403,326.56x = 604,324.20 × 234,372.62
  4. Step 4: Simplify right side
    403,326.56x = 141,637,046,083.40
  5. Step 5: Solve for x
    x = 141,637,046,083.40/403,326.56
  6. Step 6: Final answer
    x = 351,172.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.