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Finding the Fourth Proportional to 489,884.32, 734,826.48 and 134,901.82

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Solution

The fourth proportional to 489,884.32, 734,826.48 and 134,901.82 is: 202,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,884.32 : 734,826.48 = 134,901.82 : x
  2. Step 2: Convert to fraction form
    489,884.32/734,826.48 = 134,901.82/x
  3. Step 3: Cross multiply
    489,884.32x = 734,826.48 × 134,901.82
  4. Step 4: Simplify right side
    489,884.32x = 99,129,429,536.19
  5. Step 5: Solve for x
    x = 99,129,429,536.19/489,884.32
  6. Step 6: Final answer
    x = 202,352.73

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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.