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Finding the Fourth Proportional to 599,428.96, 827,298.60 and 357,721.72

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Solution

The fourth proportional to 599,428.96, 827,298.60 and 357,721.72 is: 493,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,428.96 : 827,298.60 = 357,721.72 : x
  2. Step 2: Convert to fraction form
    599,428.96/827,298.60 = 357,721.72/x
  3. Step 3: Cross multiply
    599,428.96x = 827,298.60 × 357,721.72
  4. Step 4: Simplify right side
    599,428.96x = 295,942,678,145.59
  5. Step 5: Solve for x
    x = 295,942,678,145.59/599,428.96
  6. Step 6: Final answer
    x = 493,707.67

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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.