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Finding the Fourth Proportional to 982,435.12, 1,473,652.72 and 351,310.64

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Solution

The fourth proportional to 982,435.12, 1,473,652.72 and 351,310.64 is: 526,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,435.12 : 1,473,652.72 = 351,310.64 : x
  2. Step 2: Convert to fraction form
    982,435.12/1,473,652.72 = 351,310.64/x
  3. Step 3: Cross multiply
    982,435.12x = 1,473,652.72 × 351,310.64
  4. Step 4: Simplify right side
    982,435.12x = 517,709,880,200.94
  5. Step 5: Solve for x
    x = 517,709,880,200.94/982,435.12
  6. Step 6: Final answer
    x = 526,965.97

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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.