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Finding the Fourth Proportional to 599,813.40, 899,576.10 and 346,546.20

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Solution

The fourth proportional to 599,813.40, 899,576.10 and 346,546.20 is: 519,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,813.40 : 899,576.10 = 346,546.20 : x
  2. Step 2: Convert to fraction form
    599,813.40/899,576.10 = 346,546.20/x
  3. Step 3: Cross multiply
    599,813.40x = 899,576.10 × 346,546.20
  4. Step 4: Simplify right side
    599,813.40x = 311,744,679,065.82
  5. Step 5: Solve for x
    x = 311,744,679,065.82/599,813.40
  6. Step 6: Final answer
    x = 519,736.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.