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Finding the Fourth Proportional to 295,688.69, 408,050.40 and 161,552.69

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Solution

The fourth proportional to 295,688.69, 408,050.40 and 161,552.69 is: 222,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,688.69 : 408,050.40 = 161,552.69 : x
  2. Step 2: Convert to fraction form
    295,688.69/408,050.40 = 161,552.69/x
  3. Step 3: Cross multiply
    295,688.69x = 408,050.40 × 161,552.69
  4. Step 4: Simplify right side
    295,688.69x = 65,921,639,775.58
  5. Step 5: Solve for x
    x = 65,921,639,775.58/295,688.69
  6. Step 6: Final answer
    x = 222,942.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.