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Finding the Fourth Proportional to 531,274.92, 733,174.97 and 289,573.17

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Solution

The fourth proportional to 531,274.92, 733,174.97 and 289,573.17 is: 399,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,274.92 : 733,174.97 = 289,573.17 : x
  2. Step 2: Convert to fraction form
    531,274.92/733,174.97 = 289,573.17/x
  3. Step 3: Cross multiply
    531,274.92x = 733,174.97 × 289,573.17
  4. Step 4: Simplify right side
    531,274.92x = 212,307,798,779.69
  5. Step 5: Solve for x
    x = 212,307,798,779.69/531,274.92
  6. Step 6: Final answer
    x = 399,619.46

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1.5x scale

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.