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Finding the Fourth Proportional to 343,306.26, 514,832.76 and 118,609.02

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Solution

The fourth proportional to 343,306.26, 514,832.76 and 118,609.02 is: 177,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,306.26 : 514,832.76 = 118,609.02 : x
  2. Step 2: Convert to fraction form
    343,306.26/514,832.76 = 118,609.02/x
  3. Step 3: Cross multiply
    343,306.26x = 514,832.76 × 118,609.02
  4. Step 4: Simplify right side
    343,306.26x = 61,063,809,127.50
  5. Step 5: Solve for x
    x = 61,063,809,127.50/343,306.26
  6. Step 6: Final answer
    x = 177,869.78

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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.