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Finding the Fourth Proportional to 490,799.10, 736,208 and 153,832.35

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Solution

The fourth proportional to 490,799.10, 736,208 and 153,832.35 is: 230,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,799.10 : 736,208 = 153,832.35 : x
  2. Step 2: Convert to fraction form
    490,799.10/736,208 = 153,832.35/x
  3. Step 3: Cross multiply
    490,799.10x = 736,208 × 153,832.35
  4. Step 4: Simplify right side
    490,799.10x = 113,252,606,728.80
  5. Step 5: Solve for x
    x = 113,252,606,728.80/490,799.10
  6. Step 6: Final answer
    x = 230,751.46

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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.