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Finding the Fourth Proportional to 295,483.48, 407,768.70 and 161,347.48

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Solution

The fourth proportional to 295,483.48, 407,768.70 and 161,347.48 is: 222,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,483.48 : 407,768.70 = 161,347.48 : x
  2. Step 2: Convert to fraction form
    295,483.48/407,768.70 = 161,347.48/x
  3. Step 3: Cross multiply
    295,483.48x = 407,768.70 × 161,347.48
  4. Step 4: Simplify right side
    295,483.48x = 65,792,452,167.88
  5. Step 5: Solve for x
    x = 65,792,452,167.88/295,483.48
  6. Step 6: Final answer
    x = 222,660.34

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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.