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Finding the Fourth Proportional to 401,536.64, 554,110.96 and 220,246.94

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Solution

The fourth proportional to 401,536.64, 554,110.96 and 220,246.94 is: 303,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,536.64 : 554,110.96 = 220,246.94 : x
  2. Step 2: Convert to fraction form
    401,536.64/554,110.96 = 220,246.94/x
  3. Step 3: Cross multiply
    401,536.64x = 554,110.96 × 220,246.94
  4. Step 4: Simplify right side
    401,536.64x = 122,041,243,360.46
  5. Step 5: Solve for x
    x = 122,041,243,360.46/401,536.64
  6. Step 6: Final answer
    x = 303,935.51

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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.