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Finding the Fourth Proportional to 466,052.79, 643,146.72 and 262,103.64

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Solution

The fourth proportional to 466,052.79, 643,146.72 and 262,103.64 is: 361,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,052.79 : 643,146.72 = 262,103.64 : x
  2. Step 2: Convert to fraction form
    466,052.79/643,146.72 = 262,103.64/x
  3. Step 3: Cross multiply
    466,052.79x = 643,146.72 × 262,103.64
  4. Step 4: Simplify right side
    466,052.79x = 168,571,096,366.06
  5. Step 5: Solve for x
    x = 168,571,096,366.06/466,052.79
  6. Step 6: Final answer
    x = 361,699.58

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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.