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Finding the Fourth Proportional to 476,457.41, 657,512.36 and 261,611.31

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Solution

The fourth proportional to 476,457.41, 657,512.36 and 261,611.31 is: 361,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,457.41 : 657,512.36 = 261,611.31 : x
  2. Step 2: Convert to fraction form
    476,457.41/657,512.36 = 261,611.31/x
  3. Step 3: Cross multiply
    476,457.41x = 657,512.36 × 261,611.31
  4. Step 4: Simplify right side
    476,457.41x = 172,012,671,979.45
  5. Step 5: Solve for x
    x = 172,012,671,979.45/476,457.41
  6. Step 6: Final answer
    x = 361,024.23

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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.