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Finding the Fourth Proportional to 674,765.01, 931,195.50 and 368,858.25

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Solution

The fourth proportional to 674,765.01, 931,195.50 and 368,858.25 is: 509,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,765.01 : 931,195.50 = 368,858.25 : x
  2. Step 2: Convert to fraction form
    674,765.01/931,195.50 = 368,858.25/x
  3. Step 3: Cross multiply
    674,765.01x = 931,195.50 × 368,858.25
  4. Step 4: Simplify right side
    674,765.01x = 343,479,142,537.88
  5. Step 5: Solve for x
    x = 343,479,142,537.88/674,765.01
  6. Step 6: Final answer
    x = 509,035.20

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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.