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Finding the Fourth Proportional to 295,360.90, 407,598.61 and 161,224.90

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Solution

The fourth proportional to 295,360.90, 407,598.61 and 161,224.90 is: 222,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,360.90 : 407,598.61 = 161,224.90 : x
  2. Step 2: Convert to fraction form
    295,360.90/407,598.61 = 161,224.90/x
  3. Step 3: Cross multiply
    295,360.90x = 407,598.61 × 161,224.90
  4. Step 4: Simplify right side
    295,360.90x = 65,715,045,137.39
  5. Step 5: Solve for x
    x = 65,715,045,137.39/295,360.90
  6. Step 6: Final answer
    x = 222,490.67

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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.