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Finding the Fourth Proportional to 372,804.11, 558,684.90 and 201,656.36

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Solution

The fourth proportional to 372,804.11, 558,684.90 and 201,656.36 is: 302,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,804.11 : 558,684.90 = 201,656.36 : x
  2. Step 2: Convert to fraction form
    372,804.11/558,684.90 = 201,656.36/x
  3. Step 3: Cross multiply
    372,804.11x = 558,684.90 × 201,656.36
  4. Step 4: Simplify right side
    372,804.11x = 112,662,361,866.40
  5. Step 5: Solve for x
    x = 112,662,361,866.40/372,804.11
  6. Step 6: Final answer
    x = 302,202.57

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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.