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Finding the Fourth Proportional to 423,995.25, 636,284.48 and 174,677.25

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Solution

The fourth proportional to 423,995.25, 636,284.48 and 174,677.25 is: 262,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,995.25 : 636,284.48 = 174,677.25 : x
  2. Step 2: Convert to fraction form
    423,995.25/636,284.48 = 174,677.25/x
  3. Step 3: Cross multiply
    423,995.25x = 636,284.48 × 174,677.25
  4. Step 4: Simplify right side
    423,995.25x = 111,144,422,310.69
  5. Step 5: Solve for x
    x = 111,144,422,310.69/423,995.25
  6. Step 6: Final answer
    x = 262,136.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.