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Finding the Fourth Proportional to 669,491.56, 923,905.56 and 367,685.56

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Solution

The fourth proportional to 669,491.56, 923,905.56 and 367,685.56 is: 507,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,491.56 : 923,905.56 = 367,685.56 : x
  2. Step 2: Convert to fraction form
    669,491.56/923,905.56 = 367,685.56/x
  3. Step 3: Cross multiply
    669,491.56x = 923,905.56 × 367,685.56
  4. Step 4: Simplify right side
    669,491.56x = 339,706,733,215.71
  5. Step 5: Solve for x
    x = 339,706,733,215.71/669,491.56
  6. Step 6: Final answer
    x = 507,410.03

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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.