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Finding the Fourth Proportional to 504,790.40, 756,542.40 and 268,246.40

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Solution

The fourth proportional to 504,790.40, 756,542.40 and 268,246.40 is: 402,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,790.40 : 756,542.40 = 268,246.40 : x
  2. Step 2: Convert to fraction form
    504,790.40/756,542.40 = 268,246.40/x
  3. Step 3: Cross multiply
    504,790.40x = 756,542.40 × 268,246.40
  4. Step 4: Simplify right side
    504,790.40x = 202,939,775,247.36
  5. Step 5: Solve for x
    x = 202,939,775,247.36/504,790.40
  6. Step 6: Final answer
    x = 402,027.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.