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Finding the Fourth Proportional to 531,304.26, 733,193.43 and 289,586.10

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Solution

The fourth proportional to 531,304.26, 733,193.43 and 289,586.10 is: 399,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,304.26 : 733,193.43 = 289,586.10 : x
  2. Step 2: Convert to fraction form
    531,304.26/733,193.43 = 289,586.10/x
  3. Step 3: Cross multiply
    531,304.26x = 733,193.43 × 289,586.10
  4. Step 4: Simplify right side
    531,304.26x = 212,322,625,939.32
  5. Step 5: Solve for x
    x = 212,322,625,939.32/531,304.26
  6. Step 6: Final answer
    x = 399,625.30

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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.