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Finding the Fourth Proportional to 722,373.48, 996,597.93 and 412,293.28

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Solution

The fourth proportional to 722,373.48, 996,597.93 and 412,293.28 is: 568,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,373.48 : 996,597.93 = 412,293.28 : x
  2. Step 2: Convert to fraction form
    722,373.48/996,597.93 = 412,293.28/x
  3. Step 3: Cross multiply
    722,373.48x = 996,597.93 × 412,293.28
  4. Step 4: Simplify right side
    722,373.48x = 410,890,626,909.42
  5. Step 5: Solve for x
    x = 410,890,626,909.42/722,373.48
  6. Step 6: Final answer
    x = 568,806.36

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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.