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Finding the Fourth Proportional to 366,911.05, 549,491.78 and 366,911.05

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Solution

The fourth proportional to 366,911.05, 549,491.78 and 366,911.05 is: 549,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.05 : 549,491.78 = 366,911.05 : x
  2. Step 2: Convert to fraction form
    366,911.05/549,491.78 = 366,911.05/x
  3. Step 3: Cross multiply
    366,911.05x = 549,491.78 × 366,911.05
  4. Step 4: Simplify right side
    366,911.05x = 201,614,604,131.61
  5. Step 5: Solve for x
    x = 201,614,604,131.61/366,911.05
  6. Step 6: Final answer
    x = 549,491.78

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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.