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Finding the Fourth Proportional to 466,548.82, 643,857.84 and 262,612.90

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Solution

The fourth proportional to 466,548.82, 643,857.84 and 262,612.90 is: 362,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,548.82 : 643,857.84 = 262,612.90 : x
  2. Step 2: Convert to fraction form
    466,548.82/643,857.84 = 262,612.90/x
  3. Step 3: Cross multiply
    466,548.82x = 643,857.84 × 262,612.90
  4. Step 4: Simplify right side
    466,548.82x = 169,085,374,550.14
  5. Step 5: Solve for x
    x = 169,085,374,550.14/466,548.82
  6. Step 6: Final answer
    x = 362,417.32

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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.