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Finding the Fourth Proportional to 531,296.76, 733,190.10 and 289,579.53

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Solution

The fourth proportional to 531,296.76, 733,190.10 and 289,579.53 is: 399,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,296.76 : 733,190.10 = 289,579.53 : x
  2. Step 2: Convert to fraction form
    531,296.76/733,190.10 = 289,579.53/x
  3. Step 3: Cross multiply
    531,296.76x = 733,190.10 × 289,579.53
  4. Step 4: Simplify right side
    531,296.76x = 212,316,844,558.65
  5. Step 5: Solve for x
    x = 212,316,844,558.65/531,296.76
  6. Step 6: Final answer
    x = 399,620.06

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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.