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Finding the Fourth Proportional to 604,401.90, 834,057.93 and 328,750.62

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Solution

The fourth proportional to 604,401.90, 834,057.93 and 328,750.62 is: 453,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,401.90 : 834,057.93 = 328,750.62 : x
  2. Step 2: Convert to fraction form
    604,401.90/834,057.93 = 328,750.62/x
  3. Step 3: Cross multiply
    604,401.90x = 834,057.93 × 328,750.62
  4. Step 4: Simplify right side
    604,401.90x = 274,197,061,603.42
  5. Step 5: Solve for x
    x = 274,197,061,603.42/604,401.90
  6. Step 6: Final answer
    x = 453,666.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.