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Finding the Fourth Proportional to 366,438.15, 549,786.83 and 353,478.15

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Solution

The fourth proportional to 366,438.15, 549,786.83 and 353,478.15 is: 530,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,438.15 : 549,786.83 = 353,478.15 : x
  2. Step 2: Convert to fraction form
    366,438.15/549,786.83 = 353,478.15/x
  3. Step 3: Cross multiply
    366,438.15x = 549,786.83 × 353,478.15
  4. Step 4: Simplify right side
    366,438.15x = 194,337,629,795.37
  5. Step 5: Solve for x
    x = 194,337,629,795.37/366,438.15
  6. Step 6: Final answer
    x = 530,342.24

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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.