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Finding the Fourth Proportional to 338,698.12, 507,050.64 and 226,099.08

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Solution

The fourth proportional to 338,698.12, 507,050.64 and 226,099.08 is: 338,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,698.12 : 507,050.64 = 226,099.08 : x
  2. Step 2: Convert to fraction form
    338,698.12/507,050.64 = 226,099.08/x
  3. Step 3: Cross multiply
    338,698.12x = 507,050.64 × 226,099.08
  4. Step 4: Simplify right side
    338,698.12x = 114,643,683,217.41
  5. Step 5: Solve for x
    x = 114,643,683,217.41/338,698.12
  6. Step 6: Final answer
    x = 338,483.38

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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.