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Finding the Fourth Proportional to 490,859.08, 736,366.38 and 158,357.32

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Solution

The fourth proportional to 490,859.08, 736,366.38 and 158,357.32 is: 237,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,859.08 : 736,366.38 = 158,357.32 : x
  2. Step 2: Convert to fraction form
    490,859.08/736,366.38 = 158,357.32/x
  3. Step 3: Cross multiply
    490,859.08x = 736,366.38 × 158,357.32
  4. Step 4: Simplify right side
    490,859.08x = 116,609,006,474.90
  5. Step 5: Solve for x
    x = 116,609,006,474.90/490,859.08
  6. Step 6: Final answer
    x = 237,561.07

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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.