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Finding the Fourth Proportional to 504,642.93, 756,978.06 and 125,548.35

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Solution

The fourth proportional to 504,642.93, 756,978.06 and 125,548.35 is: 188,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,642.93 : 756,978.06 = 125,548.35 : x
  2. Step 2: Convert to fraction form
    504,642.93/756,978.06 = 125,548.35/x
  3. Step 3: Cross multiply
    504,642.93x = 756,978.06 × 125,548.35
  4. Step 4: Simplify right side
    504,642.93x = 95,037,346,419.20
  5. Step 5: Solve for x
    x = 95,037,346,419.20/504,642.93
  6. Step 6: Final answer
    x = 188,325.92

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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.