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Finding the Fourth Proportional to 493,380.34, 740,329.85 and 350,210.09

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Solution

The fourth proportional to 493,380.34, 740,329.85 and 350,210.09 is: 525,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,380.34 : 740,329.85 = 350,210.09 : x
  2. Step 2: Convert to fraction form
    493,380.34/740,329.85 = 350,210.09/x
  3. Step 3: Cross multiply
    493,380.34x = 740,329.85 × 350,210.09
  4. Step 4: Simplify right side
    493,380.34x = 259,270,986,124.54
  5. Step 5: Solve for x
    x = 259,270,986,124.54/493,380.34
  6. Step 6: Final answer
    x = 525,499.23

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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.