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Finding the Fourth Proportional to 325,130, 487,252.20 and 183,043.04

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Solution

The fourth proportional to 325,130, 487,252.20 and 183,043.04 is: 274,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,130 : 487,252.20 = 183,043.04 : x
  2. Step 2: Convert to fraction form
    325,130/487,252.20 = 183,043.04/x
  3. Step 3: Cross multiply
    325,130x = 487,252.20 × 183,043.04
  4. Step 4: Simplify right side
    325,130x = 89,188,123,934.69
  5. Step 5: Solve for x
    x = 89,188,123,934.69/325,130
  6. Step 6: Final answer
    x = 274,315.27

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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.