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Finding the Fourth Proportional to 516,337.97, 774,485.89 and 179,455.01

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Solution

The fourth proportional to 516,337.97, 774,485.89 and 179,455.01 is: 269,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,337.97 : 774,485.89 = 179,455.01 : x
  2. Step 2: Convert to fraction form
    516,337.97/774,485.89 = 179,455.01/x
  3. Step 3: Cross multiply
    516,337.97x = 774,485.89 × 179,455.01
  4. Step 4: Simplify right side
    516,337.97x = 138,985,368,813.74
  5. Step 5: Solve for x
    x = 138,985,368,813.74/516,337.97
  6. Step 6: Final answer
    x = 269,175.19

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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.