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Finding the Fourth Proportional to 353,656.17, 530,186.72 and 153,826.07

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Solution

The fourth proportional to 353,656.17, 530,186.72 and 153,826.07 is: 230,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,656.17 : 530,186.72 = 153,826.07 : x
  2. Step 2: Convert to fraction form
    353,656.17/530,186.72 = 153,826.07/x
  3. Step 3: Cross multiply
    353,656.17x = 530,186.72 × 153,826.07
  4. Step 4: Simplify right side
    353,656.17x = 81,556,536,083.73
  5. Step 5: Solve for x
    x = 81,556,536,083.73/353,656.17
  6. Step 6: Final answer
    x = 230,609.68

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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.