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Finding the Fourth Proportional to 456,020.84, 629,347.59 and 265,021.92

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Solution

The fourth proportional to 456,020.84, 629,347.59 and 265,021.92 is: 365,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,020.84 : 629,347.59 = 265,021.92 : x
  2. Step 2: Convert to fraction form
    456,020.84/629,347.59 = 265,021.92/x
  3. Step 3: Cross multiply
    456,020.84x = 629,347.59 × 265,021.92
  4. Step 4: Simplify right side
    456,020.84x = 166,790,908,015.39
  5. Step 5: Solve for x
    x = 166,790,908,015.39/456,020.84
  6. Step 6: Final answer
    x = 365,752.82

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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.