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Finding the Fourth Proportional to 350,814.24, 526,216.32 and 328,399.92

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Solution

The fourth proportional to 350,814.24, 526,216.32 and 328,399.92 is: 492,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,814.24 : 526,216.32 = 328,399.92 : x
  2. Step 2: Convert to fraction form
    350,814.24/526,216.32 = 328,399.92/x
  3. Step 3: Cross multiply
    350,814.24x = 526,216.32 × 328,399.92
  4. Step 4: Simplify right side
    350,814.24x = 172,809,397,390.69
  5. Step 5: Solve for x
    x = 172,809,397,390.69/350,814.24
  6. Step 6: Final answer
    x = 492,595.16

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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.