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Finding the Fourth Proportional to 297,266.40, 444,603.60 and 265,903.20

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Solution

The fourth proportional to 297,266.40, 444,603.60 and 265,903.20 is: 397,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,266.40 : 444,603.60 = 265,903.20 : x
  2. Step 2: Convert to fraction form
    297,266.40/444,603.60 = 265,903.20/x
  3. Step 3: Cross multiply
    297,266.40x = 444,603.60 × 265,903.20
  4. Step 4: Simplify right side
    297,266.40x = 118,221,519,971.52
  5. Step 5: Solve for x
    x = 118,221,519,971.52/297,266.40
  6. Step 6: Final answer
    x = 397,695.53

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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.