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Finding the Fourth Proportional to 466,570.32, 643,887.54 and 262,634.40

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Solution

The fourth proportional to 466,570.32, 643,887.54 and 262,634.40 is: 362,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,570.32 : 643,887.54 = 262,634.40 : x
  2. Step 2: Convert to fraction form
    466,570.32/643,887.54 = 262,634.40/x
  3. Step 3: Cross multiply
    466,570.32x = 643,887.54 × 262,634.40
  4. Step 4: Simplify right side
    466,570.32x = 169,107,017,735.38
  5. Step 5: Solve for x
    x = 169,107,017,735.38/466,570.32
  6. Step 6: Final answer
    x = 362,447.01

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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.