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Finding the Fourth Proportional to 490,858.08, 736,364.88 and 158,356.32

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Solution

The fourth proportional to 490,858.08, 736,364.88 and 158,356.32 is: 237,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,858.08 : 736,364.88 = 158,356.32 : x
  2. Step 2: Convert to fraction form
    490,858.08/736,364.88 = 158,356.32/x
  3. Step 3: Cross multiply
    490,858.08x = 736,364.88 × 158,356.32
  4. Step 4: Simplify right side
    490,858.08x = 116,608,032,574.04
  5. Step 5: Solve for x
    x = 116,608,032,574.04/490,858.08
  6. Step 6: Final answer
    x = 237,559.57

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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.