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Finding the Fourth Proportional to 594,580.22, 820,516.50 and 322,641.20

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Solution

The fourth proportional to 594,580.22, 820,516.50 and 322,641.20 is: 445,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,580.22 : 820,516.50 = 322,641.20 : x
  2. Step 2: Convert to fraction form
    594,580.22/820,516.50 = 322,641.20/x
  3. Step 3: Cross multiply
    594,580.22x = 820,516.50 × 322,641.20
  4. Step 4: Simplify right side
    594,580.22x = 264,732,428,179.80
  5. Step 5: Solve for x
    x = 264,732,428,179.80/594,580.22
  6. Step 6: Final answer
    x = 445,242.57

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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.