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Finding the Fourth Proportional to 492,275.66, 738,413.39 and 118,298.66

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Solution

The fourth proportional to 492,275.66, 738,413.39 and 118,298.66 is: 177,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,275.66 : 738,413.39 = 118,298.66 : x
  2. Step 2: Convert to fraction form
    492,275.66/738,413.39 = 118,298.66/x
  3. Step 3: Cross multiply
    492,275.66x = 738,413.39 × 118,298.66
  4. Step 4: Simplify right side
    492,275.66x = 87,353,310,279.50
  5. Step 5: Solve for x
    x = 87,353,310,279.50/492,275.66
  6. Step 6: Final answer
    x = 177,447.96

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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.