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Finding the Fourth Proportional to 602,338.02, 831,218.62 and 344,212.03

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Solution

The fourth proportional to 602,338.02, 831,218.62 and 344,212.03 is: 475,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,338.02 : 831,218.62 = 344,212.03 : x
  2. Step 2: Convert to fraction form
    602,338.02/831,218.62 = 344,212.03/x
  3. Step 3: Cross multiply
    602,338.02x = 831,218.62 × 344,212.03
  4. Step 4: Simplify right side
    602,338.02x = 286,115,448,564.00
  5. Step 5: Solve for x
    x = 286,115,448,564.00/602,338.02
  6. Step 6: Final answer
    x = 475,008.12

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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.