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Finding the Fourth Proportional to 401,606.46, 554,211.67 and 229,522.46

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Solution

The fourth proportional to 401,606.46, 554,211.67 and 229,522.46 is: 316,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,606.46 : 554,211.67 = 229,522.46 : x
  2. Step 2: Convert to fraction form
    401,606.46/554,211.67 = 229,522.46/x
  3. Step 3: Cross multiply
    401,606.46x = 554,211.67 × 229,522.46
  4. Step 4: Simplify right side
    401,606.46x = 127,204,025,859.11
  5. Step 5: Solve for x
    x = 127,204,025,859.11/401,606.46
  6. Step 6: Final answer
    x = 316,738.00

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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.