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Finding the Fourth Proportional to 350,899.56, 526,344.45 and 84,657.83

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Solution

The fourth proportional to 350,899.56, 526,344.45 and 84,657.83 is: 126,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,899.56 : 526,344.45 = 84,657.83 : x
  2. Step 2: Convert to fraction form
    350,899.56/526,344.45 = 84,657.83/x
  3. Step 3: Cross multiply
    350,899.56x = 526,344.45 × 84,657.83
  4. Step 4: Simplify right side
    350,899.56x = 44,559,176,337.82
  5. Step 5: Solve for x
    x = 44,559,176,337.82/350,899.56
  6. Step 6: Final answer
    x = 126,985.56

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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.