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Finding the Fourth Proportional to 572,677.83, 790,690.82 and 357,914.43

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Solution

The fourth proportional to 572,677.83, 790,690.82 and 357,914.43 is: 494,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,677.83 : 790,690.82 = 357,914.43 : x
  2. Step 2: Convert to fraction form
    572,677.83/790,690.82 = 357,914.43/x
  3. Step 3: Cross multiply
    572,677.83x = 790,690.82 × 357,914.43
  4. Step 4: Simplify right side
    572,677.83x = 282,999,652,356.96
  5. Step 5: Solve for x
    x = 282,999,652,356.96/572,677.83
  6. Step 6: Final answer
    x = 494,169.04

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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.