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Finding the Fourth Proportional to 574,798.92, 793,222.74 and 333,221.55

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Solution

The fourth proportional to 574,798.92, 793,222.74 and 333,221.55 is: 459,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,798.92 : 793,222.74 = 333,221.55 : x
  2. Step 2: Convert to fraction form
    574,798.92/793,222.74 = 333,221.55/x
  3. Step 3: Cross multiply
    574,798.92x = 793,222.74 × 333,221.55
  4. Step 4: Simplify right side
    574,798.92x = 264,318,907,943.46
  5. Step 5: Solve for x
    x = 264,318,907,943.46/574,798.92
  6. Step 6: Final answer
    x = 459,845.87

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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.