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Finding the Fourth Proportional to 608,353.60, 911,885.28 and 234,214.72

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Solution

The fourth proportional to 608,353.60, 911,885.28 and 234,214.72 is: 351,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,353.60 : 911,885.28 = 234,214.72 : x
  2. Step 2: Convert to fraction form
    608,353.60/911,885.28 = 234,214.72/x
  3. Step 3: Cross multiply
    608,353.60x = 911,885.28 × 234,214.72
  4. Step 4: Simplify right side
    608,353.60x = 213,576,955,527.32
  5. Step 5: Solve for x
    x = 213,576,955,527.32/608,353.60
  6. Step 6: Final answer
    x = 351,073.71

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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.