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Finding the Fourth Proportional to 353,207.39, 529,730.69 and 100,482.12

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Solution

The fourth proportional to 353,207.39, 529,730.69 and 100,482.12 is: 150,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,207.39 : 529,730.69 = 100,482.12 : x
  2. Step 2: Convert to fraction form
    353,207.39/529,730.69 = 100,482.12/x
  3. Step 3: Cross multiply
    353,207.39x = 529,730.69 × 100,482.12
  4. Step 4: Simplify right side
    353,207.39x = 53,228,462,257.85
  5. Step 5: Solve for x
    x = 53,228,462,257.85/353,207.39
  6. Step 6: Final answer
    x = 150,700.31

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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.