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Finding the Fourth Proportional to 370,045.28, 510,674.87 and 226,777.66

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Solution

The fourth proportional to 370,045.28, 510,674.87 and 226,777.66 is: 312,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,045.28 : 510,674.87 = 226,777.66 : x
  2. Step 2: Convert to fraction form
    370,045.28/510,674.87 = 226,777.66/x
  3. Step 3: Cross multiply
    370,045.28x = 510,674.87 × 226,777.66
  4. Step 4: Simplify right side
    370,045.28x = 115,809,651,329.66
  5. Step 5: Solve for x
    x = 115,809,651,329.66/370,045.28
  6. Step 6: Final answer
    x = 312,960.76

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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.