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Finding the Fourth Proportional to 612,413.36, 845,177.74 and 367,407.33

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Solution

The fourth proportional to 612,413.36, 845,177.74 and 367,407.33 is: 507,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,413.36 : 845,177.74 = 367,407.33 : x
  2. Step 2: Convert to fraction form
    612,413.36/845,177.74 = 367,407.33/x
  3. Step 3: Cross multiply
    612,413.36x = 845,177.74 × 367,407.33
  4. Step 4: Simplify right side
    612,413.36x = 310,524,492,740.90
  5. Step 5: Solve for x
    x = 310,524,492,740.90/612,413.36
  6. Step 6: Final answer
    x = 507,050.48

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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.