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Finding the Fourth Proportional to 441,112.86, 658,681.40 and 350,134.86

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Solution

The fourth proportional to 441,112.86, 658,681.40 and 350,134.86 is: 522,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,112.86 : 658,681.40 = 350,134.86 : x
  2. Step 2: Convert to fraction form
    441,112.86/658,681.40 = 350,134.86/x
  3. Step 3: Cross multiply
    441,112.86x = 658,681.40 × 350,134.86
  4. Step 4: Simplify right side
    441,112.86x = 230,627,319,773.60
  5. Step 5: Solve for x
    x = 230,627,319,773.60/441,112.86
  6. Step 6: Final answer
    x = 522,830.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.