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Finding the Fourth Proportional to 403,884.34, 605,935.58 and 123,393.94

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Solution

The fourth proportional to 403,884.34, 605,935.58 and 123,393.94 is: 185,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,884.34 : 605,935.58 = 123,393.94 : x
  2. Step 2: Convert to fraction form
    403,884.34/605,935.58 = 123,393.94/x
  3. Step 3: Cross multiply
    403,884.34x = 605,935.58 × 123,393.94
  4. Step 4: Simplify right side
    403,884.34x = 74,768,778,602.39
  5. Step 5: Solve for x
    x = 74,768,778,602.39/403,884.34
  6. Step 6: Final answer
    x = 185,124.23

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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.