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Finding the Fourth Proportional to 626,700.00, 940,399.28 and 338,505.82

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Solution

The fourth proportional to 626,700.00, 940,399.28 and 338,505.82 is: 507,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,700.00 : 940,399.28 = 338,505.82 : x
  2. Step 2: Convert to fraction form
    626,700.00/940,399.28 = 338,505.82/x
  3. Step 3: Cross multiply
    626,700.00x = 940,399.28 × 338,505.82
  4. Step 4: Simplify right side
    626,700.00x = 318,330,628,533.77
  5. Step 5: Solve for x
    x = 318,330,628,533.77/626,700.00
  6. Step 6: Final answer
    x = 507,947.39

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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.