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Finding the Fourth Proportional to 466,543.80, 643,850.92 and 262,607.88

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Solution

The fourth proportional to 466,543.80, 643,850.92 and 262,607.88 is: 362,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,543.80 : 643,850.92 = 262,607.88 : x
  2. Step 2: Convert to fraction form
    466,543.80/643,850.92 = 262,607.88/x
  3. Step 3: Cross multiply
    466,543.80x = 643,850.92 × 262,607.88
  4. Step 4: Simplify right side
    466,543.80x = 169,080,325,137.25
  5. Step 5: Solve for x
    x = 169,080,325,137.25/466,543.80
  6. Step 6: Final answer
    x = 362,410.40

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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.