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Finding the Fourth Proportional to 1,051,222, 1,576,862.16 and 303,268

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Solution

The fourth proportional to 1,051,222, 1,576,862.16 and 303,268 is: 454,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,222 : 1,576,862.16 = 303,268 : x
  2. Step 2: Convert to fraction form
    1,051,222/1,576,862.16 = 303,268/x
  3. Step 3: Cross multiply
    1,051,222x = 1,576,862.16 × 303,268
  4. Step 4: Simplify right side
    1,051,222x = 478,211,833,538.88
  5. Step 5: Solve for x
    x = 478,211,833,538.88/1,051,222
  6. Step 6: Final answer
    x = 454,910.41

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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.