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Finding the Fourth Proportional to 618,775.00, 852,312.17 and 437,171.58

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Solution

The fourth proportional to 618,775.00, 852,312.17 and 437,171.58 is: 602,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,775.00 : 852,312.17 = 437,171.58 : x
  2. Step 2: Convert to fraction form
    618,775.00/852,312.17 = 437,171.58/x
  3. Step 3: Cross multiply
    618,775.00x = 852,312.17 × 437,171.58
  4. Step 4: Simplify right side
    618,775.00x = 372,606,659,105.06
  5. Step 5: Solve for x
    x = 372,606,659,105.06/618,775.00
  6. Step 6: Final answer
    x = 602,168.25

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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.