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Finding the Fourth Proportional to 466,500.96, 643,721.40 and 262,548.45

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Solution

The fourth proportional to 466,500.96, 643,721.40 and 262,548.45 is: 362,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,500.96 : 643,721.40 = 262,548.45 : x
  2. Step 2: Convert to fraction form
    466,500.96/643,721.40 = 262,548.45/x
  3. Step 3: Cross multiply
    466,500.96x = 643,721.40 × 262,548.45
  4. Step 4: Simplify right side
    466,500.96x = 169,008,055,801.83
  5. Step 5: Solve for x
    x = 169,008,055,801.83/466,500.96
  6. Step 6: Final answer
    x = 362,288.76

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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.