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Finding the Fourth Proportional to 404,413.92, 558,093.60 and 223,122.96

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Solution

The fourth proportional to 404,413.92, 558,093.60 and 223,122.96 is: 307,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,413.92 : 558,093.60 = 223,122.96 : x
  2. Step 2: Convert to fraction form
    404,413.92/558,093.60 = 223,122.96/x
  3. Step 3: Cross multiply
    404,413.92x = 558,093.60 × 223,122.96
  4. Step 4: Simplify right side
    404,413.92x = 124,523,495,989.06
  5. Step 5: Solve for x
    x = 124,523,495,989.06/404,413.92
  6. Step 6: Final answer
    x = 307,911.00

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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.