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Finding the Fourth Proportional to 474,275.76, 711,413.64 and 190,095.12

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Solution

The fourth proportional to 474,275.76, 711,413.64 and 190,095.12 is: 285,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,275.76 : 711,413.64 = 190,095.12 : x
  2. Step 2: Convert to fraction form
    474,275.76/711,413.64 = 190,095.12/x
  3. Step 3: Cross multiply
    474,275.76x = 711,413.64 × 190,095.12
  4. Step 4: Simplify right side
    474,275.76x = 135,236,261,265.44
  5. Step 5: Solve for x
    x = 135,236,261,265.44/474,275.76
  6. Step 6: Final answer
    x = 285,142.68

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Similar ratio
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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.