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Finding the Fourth Proportional to 722,608.68, 1,083,683.26 and 675,435

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Solution

The fourth proportional to 722,608.68, 1,083,683.26 and 675,435 is: 1,012,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,608.68 : 1,083,683.26 = 675,435 : x
  2. Step 2: Convert to fraction form
    722,608.68/1,083,683.26 = 675,435/x
  3. Step 3: Cross multiply
    722,608.68x = 1,083,683.26 × 675,435
  4. Step 4: Simplify right side
    722,608.68x = 731,957,602,718.10
  5. Step 5: Solve for x
    x = 731,957,602,718.10/722,608.68
  6. Step 6: Final answer
    x = 1,012,937.74

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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.