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Finding the Fourth Proportional to 253,804.59, 380,509.29 and 125,632.44

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Solution

The fourth proportional to 253,804.59, 380,509.29 and 125,632.44 is: 188,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,804.59 : 380,509.29 = 125,632.44 : x
  2. Step 2: Convert to fraction form
    253,804.59/380,509.29 = 125,632.44/x
  3. Step 3: Cross multiply
    253,804.59x = 380,509.29 × 125,632.44
  4. Step 4: Simplify right side
    253,804.59x = 47,804,310,545.37
  5. Step 5: Solve for x
    x = 47,804,310,545.37/253,804.59
  6. Step 6: Final answer
    x = 188,350.85

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1.5x scale

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.