Home / 352,051.30-528,076.95-313,344.10

Finding the Fourth Proportional to 352,051.30, 528,076.95 and 313,344.10

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Solution

The fourth proportional to 352,051.30, 528,076.95 and 313,344.10 is: 470,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,051.30 : 528,076.95 = 313,344.10 : x
  2. Step 2: Convert to fraction form
    352,051.30/528,076.95 = 313,344.10/x
  3. Step 3: Cross multiply
    352,051.30x = 528,076.95 × 313,344.10
  4. Step 4: Simplify right side
    352,051.30x = 165,469,796,628.50
  5. Step 5: Solve for x
    x = 165,469,796,628.50/352,051.30
  6. Step 6: Final answer
    x = 470,016.15

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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.