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Finding the Fourth Proportional to 382,610.40, 574,174.80 and 249,165.60

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Solution

The fourth proportional to 382,610.40, 574,174.80 and 249,165.60 is: 373,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,610.40 : 574,174.80 = 249,165.60 : x
  2. Step 2: Convert to fraction form
    382,610.40/574,174.80 = 249,165.60/x
  3. Step 3: Cross multiply
    382,610.40x = 574,174.80 × 249,165.60
  4. Step 4: Simplify right side
    382,610.40x = 143,064,608,546.88
  5. Step 5: Solve for x
    x = 143,064,608,546.88/382,610.40
  6. Step 6: Final answer
    x = 373,917.20

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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.