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Finding the Fourth Proportional to 531,642.59, 733,668.00 and 302,201.38

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Solution

The fourth proportional to 531,642.59, 733,668.00 and 302,201.38 is: 417,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,642.59 : 733,668.00 = 302,201.38 : x
  2. Step 2: Convert to fraction form
    531,642.59/733,668.00 = 302,201.38/x
  3. Step 3: Cross multiply
    531,642.59x = 733,668.00 × 302,201.38
  4. Step 4: Simplify right side
    531,642.59x = 221,715,481,845.67
  5. Step 5: Solve for x
    x = 221,715,481,845.67/531,642.59
  6. Step 6: Final answer
    x = 417,038.60

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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.