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Finding the Fourth Proportional to 404,413.95, 558,093.21 and 223,125.87

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Solution

The fourth proportional to 404,413.95, 558,093.21 and 223,125.87 is: 307,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,413.95 : 558,093.21 = 223,125.87 : x
  2. Step 2: Convert to fraction form
    404,413.95/558,093.21 = 223,125.87/x
  3. Step 3: Cross multiply
    404,413.95x = 558,093.21 × 223,125.87
  4. Step 4: Simplify right side
    404,413.95x = 124,525,033,022.34
  5. Step 5: Solve for x
    x = 124,525,033,022.34/404,413.95
  6. Step 6: Final answer
    x = 307,914.78

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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.