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Finding the Fourth Proportional to 531,353.33, 733,275.29 and 289,635.95

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Solution

The fourth proportional to 531,353.33, 733,275.29 and 289,635.95 is: 399,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,353.33 : 733,275.29 = 289,635.95 : x
  2. Step 2: Convert to fraction form
    531,353.33/733,275.29 = 289,635.95/x
  3. Step 3: Cross multiply
    531,353.33x = 733,275.29 × 289,635.95
  4. Step 4: Simplify right side
    531,353.33x = 212,382,885,615.68
  5. Step 5: Solve for x
    x = 212,382,885,615.68/531,353.33
  6. Step 6: Final answer
    x = 399,701.80

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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.