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Finding the Fourth Proportional to 541,275.60, 811,913.40 and 167,413.20

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Solution

The fourth proportional to 541,275.60, 811,913.40 and 167,413.20 is: 251,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,275.60 : 811,913.40 = 167,413.20 : x
  2. Step 2: Convert to fraction form
    541,275.60/811,913.40 = 167,413.20/x
  3. Step 3: Cross multiply
    541,275.60x = 811,913.40 × 167,413.20
  4. Step 4: Simplify right side
    541,275.60x = 135,925,020,416.88
  5. Step 5: Solve for x
    x = 135,925,020,416.88/541,275.60
  6. Step 6: Final answer
    x = 251,119.80

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Similar ratio
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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.