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Finding the Fourth Proportional to 531,344.43, 733,244.37 and 289,624.91

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Solution

The fourth proportional to 531,344.43, 733,244.37 and 289,624.91 is: 399,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,344.43 : 733,244.37 = 289,624.91 : x
  2. Step 2: Convert to fraction form
    531,344.43/733,244.37 = 289,624.91/x
  3. Step 3: Cross multiply
    531,344.43x = 733,244.37 × 289,624.91
  4. Step 4: Simplify right side
    531,344.43x = 212,365,831,003.04
  5. Step 5: Solve for x
    x = 212,365,831,003.04/531,344.43
  6. Step 6: Final answer
    x = 399,676.40

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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.