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Finding the Fourth Proportional to 331,506.20, 497,259.30 and 94,856.60

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Solution

The fourth proportional to 331,506.20, 497,259.30 and 94,856.60 is: 142,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,506.20 : 497,259.30 = 94,856.60 : x
  2. Step 2: Convert to fraction form
    331,506.20/497,259.30 = 94,856.60/x
  3. Step 3: Cross multiply
    331,506.20x = 497,259.30 × 94,856.60
  4. Step 4: Simplify right side
    331,506.20x = 47,168,326,516.38
  5. Step 5: Solve for x
    x = 47,168,326,516.38/331,506.20
  6. Step 6: Final answer
    x = 142,284.90

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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.