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Finding the Fourth Proportional to 417,040.40, 575,516.96 and 226,054.56

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Solution

The fourth proportional to 417,040.40, 575,516.96 and 226,054.56 is: 311,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,040.40 : 575,516.96 = 226,054.56 : x
  2. Step 2: Convert to fraction form
    417,040.40/575,516.96 = 226,054.56/x
  3. Step 3: Cross multiply
    417,040.40x = 575,516.96 × 226,054.56
  4. Step 4: Simplify right side
    417,040.40x = 130,098,233,165.34
  5. Step 5: Solve for x
    x = 130,098,233,165.34/417,040.40
  6. Step 6: Final answer
    x = 311,955.95

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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.