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Finding the Fourth Proportional to 531,477.89, 733,407.88 and 302,003.33

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Solution

The fourth proportional to 531,477.89, 733,407.88 and 302,003.33 is: 416,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,477.89 : 733,407.88 = 302,003.33 : x
  2. Step 2: Convert to fraction form
    531,477.89/733,407.88 = 302,003.33/x
  3. Step 3: Cross multiply
    531,477.89x = 733,407.88 × 302,003.33
  4. Step 4: Simplify right side
    531,477.89x = 221,491,617,586.19
  5. Step 5: Solve for x
    x = 221,491,617,586.19/531,477.89
  6. Step 6: Final answer
    x = 416,746.63

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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.