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Finding the Fourth Proportional to 466,566, 643,917.78 and 262,693.32

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Solution

The fourth proportional to 466,566, 643,917.78 and 262,693.32 is: 362,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,566 : 643,917.78 = 262,693.32 : x
  2. Step 2: Convert to fraction form
    466,566/643,917.78 = 262,693.32/x
  3. Step 3: Cross multiply
    466,566x = 643,917.78 × 262,693.32
  4. Step 4: Simplify right side
    466,566x = 169,152,899,435.23
  5. Step 5: Solve for x
    x = 169,152,899,435.23/466,566
  6. Step 6: Final answer
    x = 362,548.71

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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.