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Finding the Fourth Proportional to 572,204.68, 789,590.30 and 339,591.50

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Solution

The fourth proportional to 572,204.68, 789,590.30 and 339,591.50 is: 468,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,204.68 : 789,590.30 = 339,591.50 : x
  2. Step 2: Convert to fraction form
    572,204.68/789,590.30 = 339,591.50/x
  3. Step 3: Cross multiply
    572,204.68x = 789,590.30 × 339,591.50
  4. Step 4: Simplify right side
    572,204.68x = 268,138,154,362.45
  5. Step 5: Solve for x
    x = 268,138,154,362.45/572,204.68
  6. Step 6: Final answer
    x = 468,605.32

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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.