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Finding the Fourth Proportional to 572,930.50, 790,716.99 and 346,577.62

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Solution

The fourth proportional to 572,930.50, 790,716.99 and 346,577.62 is: 478,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,930.50 : 790,716.99 = 346,577.62 : x
  2. Step 2: Convert to fraction form
    572,930.50/790,716.99 = 346,577.62/x
  3. Step 3: Cross multiply
    572,930.50x = 790,716.99 × 346,577.62
  4. Step 4: Simplify right side
    572,930.50x = 274,044,812,487.76
  5. Step 5: Solve for x
    x = 274,044,812,487.76/572,930.50
  6. Step 6: Final answer
    x = 478,321.21

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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.