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Finding the Fourth Proportional to 531,551.17, 733,527.12 and 289,838.26

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Solution

The fourth proportional to 531,551.17, 733,527.12 and 289,838.26 is: 399,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,551.17 : 733,527.12 = 289,838.26 : x
  2. Step 2: Convert to fraction form
    531,551.17/733,527.12 = 289,838.26/x
  3. Step 3: Cross multiply
    531,551.17x = 733,527.12 × 289,838.26
  4. Step 4: Simplify right side
    531,551.17x = 212,604,224,123.61
  5. Step 5: Solve for x
    x = 212,604,224,123.61/531,551.17
  6. Step 6: Final answer
    x = 399,969.44

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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.