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Finding the Fourth Proportional to 951,707.83, 1,313,405 and 522,028.03

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Solution

The fourth proportional to 951,707.83, 1,313,405 and 522,028.03 is: 720,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,707.83 : 1,313,405 = 522,028.03 : x
  2. Step 2: Convert to fraction form
    951,707.83/1,313,405 = 522,028.03/x
  3. Step 3: Cross multiply
    951,707.83x = 1,313,405 × 522,028.03
  4. Step 4: Simplify right side
    951,707.83x = 685,634,224,742.15
  5. Step 5: Solve for x
    x = 685,634,224,742.15/951,707.83
  6. Step 6: Final answer
    x = 720,425.12

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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.