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Finding the Fourth Proportional to 733,846.79, 1,012,716.78 and 407,165.79

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Solution

The fourth proportional to 733,846.79, 1,012,716.78 and 407,165.79 is: 561,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,846.79 : 1,012,716.78 = 407,165.79 : x
  2. Step 2: Convert to fraction form
    733,846.79/1,012,716.78 = 407,165.79/x
  3. Step 3: Cross multiply
    733,846.79x = 1,012,716.78 × 407,165.79
  4. Step 4: Simplify right side
    733,846.79x = 412,343,624,349.24
  5. Step 5: Solve for x
    x = 412,343,624,349.24/733,846.79
  6. Step 6: Final answer
    x = 561,893.34

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Double scale
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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.