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Finding the Fourth Proportional to 466,603.43, 643,905.59 and 262,653.71

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Solution

The fourth proportional to 466,603.43, 643,905.59 and 262,653.71 is: 362,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,603.43 : 643,905.59 = 262,653.71 : x
  2. Step 2: Convert to fraction form
    466,603.43/643,905.59 = 262,653.71/x
  3. Step 3: Cross multiply
    466,603.43x = 643,905.59 × 262,653.71
  4. Step 4: Simplify right side
    466,603.43x = 169,124,187,570.44
  5. Step 5: Solve for x
    x = 169,124,187,570.44/466,603.43
  6. Step 6: Final answer
    x = 362,458.09

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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.