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Finding the Fourth Proportional to 526,602.12, 790,223.94 and 189,614.58

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Solution

The fourth proportional to 526,602.12, 790,223.94 and 189,614.58 is: 284,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,602.12 : 790,223.94 = 189,614.58 : x
  2. Step 2: Convert to fraction form
    526,602.12/790,223.94 = 189,614.58/x
  3. Step 3: Cross multiply
    526,602.12x = 790,223.94 × 189,614.58
  4. Step 4: Simplify right side
    526,602.12x = 149,837,980,489.05
  5. Step 5: Solve for x
    x = 149,837,980,489.05/526,602.12
  6. Step 6: Final answer
    x = 284,537.37

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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.