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Finding the Fourth Proportional to 401,999.36, 554,856.96 and 240,949.76

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Solution

The fourth proportional to 401,999.36, 554,856.96 and 240,949.76 is: 332,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,999.36 : 554,856.96 = 240,949.76 : x
  2. Step 2: Convert to fraction form
    401,999.36/554,856.96 = 240,949.76/x
  3. Step 3: Cross multiply
    401,999.36x = 554,856.96 × 240,949.76
  4. Step 4: Simplify right side
    401,999.36x = 133,692,651,346.33
  5. Step 5: Solve for x
    x = 133,692,651,346.33/401,999.36
  6. Step 6: Final answer
    x = 332,569.31

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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.