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Finding the Fourth Proportional to 404,603.64, 558,541.98 and 234,804.96

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Solution

The fourth proportional to 404,603.64, 558,541.98 and 234,804.96 is: 324,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,603.64 : 558,541.98 = 234,804.96 : x
  2. Step 2: Convert to fraction form
    404,603.64/558,541.98 = 234,804.96/x
  3. Step 3: Cross multiply
    404,603.64x = 558,541.98 × 234,804.96
  4. Step 4: Simplify right side
    404,603.64x = 131,148,427,272.22
  5. Step 5: Solve for x
    x = 131,148,427,272.22/404,603.64
  6. Step 6: Final answer
    x = 324,140.50

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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.