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Finding the Fourth Proportional to 594,741.90, 820,744.55 and 322,809.89

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Solution

The fourth proportional to 594,741.90, 820,744.55 and 322,809.89 is: 445,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,741.90 : 820,744.55 = 322,809.89 : x
  2. Step 2: Convert to fraction form
    594,741.90/820,744.55 = 322,809.89/x
  3. Step 3: Cross multiply
    594,741.90x = 820,744.55 × 322,809.89
  4. Step 4: Simplify right side
    594,741.90x = 264,944,457,903.60
  5. Step 5: Solve for x
    x = 264,944,457,903.60/594,741.90
  6. Step 6: Final answer
    x = 445,478.04

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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.