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Finding the Fourth Proportional to 546,242.90, 819,658.11 and 526,360.46

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Solution

The fourth proportional to 546,242.90, 819,658.11 and 526,360.46 is: 789,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,242.90 : 819,658.11 = 526,360.46 : x
  2. Step 2: Convert to fraction form
    546,242.90/819,658.11 = 526,360.46/x
  3. Step 3: Cross multiply
    546,242.90x = 819,658.11 × 526,360.46
  4. Step 4: Simplify right side
    546,242.90x = 431,435,619,822.33
  5. Step 5: Solve for x
    x = 431,435,619,822.33/546,242.90
  6. Step 6: Final answer
    x = 789,823.76

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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.