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Finding the Fourth Proportional to 307,413.60, 461,120.40 and 167,445.60

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Solution

The fourth proportional to 307,413.60, 461,120.40 and 167,445.60 is: 251,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,413.60 : 461,120.40 = 167,445.60 : x
  2. Step 2: Convert to fraction form
    307,413.60/461,120.40 = 167,445.60/x
  3. Step 3: Cross multiply
    307,413.60x = 461,120.40 × 167,445.60
  4. Step 4: Simplify right side
    307,413.60x = 77,212,582,050.24
  5. Step 5: Solve for x
    x = 77,212,582,050.24/307,413.60
  6. Step 6: Final answer
    x = 251,168.40

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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.