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Finding the Fourth Proportional to 295,843.04, 408,263.60 and 161,707.04

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Solution

The fourth proportional to 295,843.04, 408,263.60 and 161,707.04 is: 223,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,843.04 : 408,263.60 = 161,707.04 : x
  2. Step 2: Convert to fraction form
    295,843.04/408,263.60 = 161,707.04/x
  3. Step 3: Cross multiply
    295,843.04x = 408,263.60 × 161,707.04
  4. Step 4: Simplify right side
    295,843.04x = 66,019,098,295.74
  5. Step 5: Solve for x
    x = 66,019,098,295.74/295,843.04
  6. Step 6: Final answer
    x = 223,155.83

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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.