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Finding the Fourth Proportional to 350,898.56, 526,342.95 and 84,656.83

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Solution

The fourth proportional to 350,898.56, 526,342.95 and 84,656.83 is: 126,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,898.56 : 526,342.95 = 84,656.83 : x
  2. Step 2: Convert to fraction form
    350,898.56/526,342.95 = 84,656.83/x
  3. Step 3: Cross multiply
    350,898.56x = 526,342.95 × 84,656.83
  4. Step 4: Simplify right side
    350,898.56x = 44,558,523,008.13
  5. Step 5: Solve for x
    x = 44,558,523,008.13/350,898.56
  6. Step 6: Final answer
    x = 126,984.06

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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.