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Finding the Fourth Proportional to 658,111.80, 986,511.60 and 302,505.60

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Solution

The fourth proportional to 658,111.80, 986,511.60 and 302,505.60 is: 453,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,111.80 : 986,511.60 = 302,505.60 : x
  2. Step 2: Convert to fraction form
    658,111.80/986,511.60 = 302,505.60/x
  3. Step 3: Cross multiply
    658,111.80x = 986,511.60 × 302,505.60
  4. Step 4: Simplify right side
    658,111.80x = 298,425,283,464.96
  5. Step 5: Solve for x
    x = 298,425,283,464.96/658,111.80
  6. Step 6: Final answer
    x = 453,456.82

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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.