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Finding the Fourth Proportional to 267,959.37, 401,413.55 and 155,403.12

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Solution

The fourth proportional to 267,959.37, 401,413.55 and 155,403.12 is: 232,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,959.37 : 401,413.55 = 155,403.12 : x
  2. Step 2: Convert to fraction form
    267,959.37/401,413.55 = 155,403.12/x
  3. Step 3: Cross multiply
    267,959.37x = 401,413.55 × 155,403.12
  4. Step 4: Simplify right side
    267,959.37x = 62,380,917,303.26
  5. Step 5: Solve for x
    x = 62,380,917,303.26/267,959.37
  6. Step 6: Final answer
    x = 232,799.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.