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Finding the Fourth Proportional to 555,465.60, 831,092.40 and 368,841.60

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Solution

The fourth proportional to 555,465.60, 831,092.40 and 368,841.60 is: 551,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,465.60 : 831,092.40 = 368,841.60 : x
  2. Step 2: Convert to fraction form
    555,465.60/831,092.40 = 368,841.60/x
  3. Step 3: Cross multiply
    555,465.60x = 831,092.40 × 368,841.60
  4. Step 4: Simplify right side
    555,465.60x = 306,541,450,563.84
  5. Step 5: Solve for x
    x = 306,541,450,563.84/555,465.60
  6. Step 6: Final answer
    x = 551,863.97

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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.