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Finding the Fourth Proportional to 653,413.57, 901,679.04 and 363,043.45

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Solution

The fourth proportional to 653,413.57, 901,679.04 and 363,043.45 is: 500,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,413.57 : 901,679.04 = 363,043.45 : x
  2. Step 2: Convert to fraction form
    653,413.57/901,679.04 = 363,043.45/x
  3. Step 3: Cross multiply
    653,413.57x = 901,679.04 × 363,043.45
  4. Step 4: Simplify right side
    653,413.57x = 327,348,670,601.39
  5. Step 5: Solve for x
    x = 327,348,670,601.39/653,413.57
  6. Step 6: Final answer
    x = 500,982.36

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1.5x scale

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.