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Finding the Fourth Proportional to 602,228.44, 831,090.48 and 340,562.80

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Solution

The fourth proportional to 602,228.44, 831,090.48 and 340,562.80 is: 469,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,228.44 : 831,090.48 = 340,562.80 : x
  2. Step 2: Convert to fraction form
    602,228.44/831,090.48 = 340,562.80/x
  3. Step 3: Cross multiply
    602,228.44x = 831,090.48 × 340,562.80
  4. Step 4: Simplify right side
    602,228.44x = 283,038,500,922.14
  5. Step 5: Solve for x
    x = 283,038,500,922.14/602,228.44
  6. Step 6: Final answer
    x = 469,985.28

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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.