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Finding the Fourth Proportional to 446,156.37, 667,822.73 and 286,018.29

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Solution

The fourth proportional to 446,156.37, 667,822.73 and 286,018.29 is: 428,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,156.37 : 667,822.73 = 286,018.29 : x
  2. Step 2: Convert to fraction form
    446,156.37/667,822.73 = 286,018.29/x
  3. Step 3: Cross multiply
    446,156.37x = 667,822.73 × 286,018.29
  4. Step 4: Simplify right side
    446,156.37x = 191,009,513,827.64
  5. Step 5: Solve for x
    x = 191,009,513,827.64/446,156.37
  6. Step 6: Final answer
    x = 428,122.35

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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.