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Finding the Fourth Proportional to 722,745.52, 1,084,290.54 and 249,435

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Solution

The fourth proportional to 722,745.52, 1,084,290.54 and 249,435 is: 374,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,745.52 : 1,084,290.54 = 249,435 : x
  2. Step 2: Convert to fraction form
    722,745.52/1,084,290.54 = 249,435/x
  3. Step 3: Cross multiply
    722,745.52x = 1,084,290.54 × 249,435
  4. Step 4: Simplify right side
    722,745.52x = 270,460,010,844.90
  5. Step 5: Solve for x
    x = 270,460,010,844.90/722,745.52
  6. Step 6: Final answer
    x = 374,211.95

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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.