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Finding the Fourth Proportional to 466,174.84, 643,139.06 and 262,178.96

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Solution

The fourth proportional to 466,174.84, 643,139.06 and 262,178.96 is: 361,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,174.84 : 643,139.06 = 262,178.96 : x
  2. Step 2: Convert to fraction form
    466,174.84/643,139.06 = 262,178.96/x
  3. Step 3: Cross multiply
    466,174.84x = 643,139.06 × 262,178.96
  4. Step 4: Simplify right side
    466,174.84x = 168,617,529,886.18
  5. Step 5: Solve for x
    x = 168,617,529,886.18/466,174.84
  6. Step 6: Final answer
    x = 361,704.48

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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.