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Finding the Fourth Proportional to 328,110.90, 459,666.30 and 328,110.90

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Solution

The fourth proportional to 328,110.90, 459,666.30 and 328,110.90 is: 459,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,110.90 : 459,666.30 = 328,110.90 : x
  2. Step 2: Convert to fraction form
    328,110.90/459,666.30 = 328,110.90/x
  3. Step 3: Cross multiply
    328,110.90x = 459,666.30 × 328,110.90
  4. Step 4: Simplify right side
    328,110.90x = 150,821,523,392.67
  5. Step 5: Solve for x
    x = 150,821,523,392.67/328,110.90
  6. Step 6: Final answer
    x = 459,666.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.