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Finding the Fourth Proportional to 504,456.60, 756,728.31 and 144,628.86

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Solution

The fourth proportional to 504,456.60, 756,728.31 and 144,628.86 is: 216,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,456.60 : 756,728.31 = 144,628.86 : x
  2. Step 2: Convert to fraction form
    504,456.60/756,728.31 = 144,628.86/x
  3. Step 3: Cross multiply
    504,456.60x = 756,728.31 × 144,628.86
  4. Step 4: Simplify right side
    504,456.60x = 109,444,752,805.03
  5. Step 5: Solve for x
    x = 109,444,752,805.03/504,456.60
  6. Step 6: Final answer
    x = 216,955.74

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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.