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Finding the Fourth Proportional to 353,654.66, 530,184.47 and 153,824.56

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Solution

The fourth proportional to 353,654.66, 530,184.47 and 153,824.56 is: 230,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,654.66 : 530,184.47 = 153,824.56 : x
  2. Step 2: Convert to fraction form
    353,654.66/530,184.47 = 153,824.56/x
  3. Step 3: Cross multiply
    353,654.66x = 530,184.47 × 153,824.56
  4. Step 4: Simplify right side
    353,654.66x = 81,555,390,722.00
  5. Step 5: Solve for x
    x = 81,555,390,722.00/353,654.66
  6. Step 6: Final answer
    x = 230,607.42

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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.