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Finding the Fourth Proportional to 575,930.49, 863,223.08 and 433,317.59

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Solution

The fourth proportional to 575,930.49, 863,223.08 and 433,317.59 is: 649,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,930.49 : 863,223.08 = 433,317.59 : x
  2. Step 2: Convert to fraction form
    575,930.49/863,223.08 = 433,317.59/x
  3. Step 3: Cross multiply
    575,930.49x = 863,223.08 × 433,317.59
  4. Step 4: Simplify right side
    575,930.49x = 374,049,738,175.27
  5. Step 5: Solve for x
    x = 374,049,738,175.27/575,930.49
  6. Step 6: Final answer
    x = 649,470.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.