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Finding the Fourth Proportional to 533,400.66, 800,011.62 and 178,413.48

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Solution

The fourth proportional to 533,400.66, 800,011.62 and 178,413.48 is: 267,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,400.66 : 800,011.62 = 178,413.48 : x
  2. Step 2: Convert to fraction form
    533,400.66/800,011.62 = 178,413.48/x
  3. Step 3: Cross multiply
    533,400.66x = 800,011.62 × 178,413.48
  4. Step 4: Simplify right side
    533,400.66x = 142,732,857,164.64
  5. Step 5: Solve for x
    x = 142,732,857,164.64/533,400.66
  6. Step 6: Final answer
    x = 267,590.33

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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.