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Finding the Fourth Proportional to 527,297.64, 790,947.59 and 190,576.01

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Solution

The fourth proportional to 527,297.64, 790,947.59 and 190,576.01 is: 285,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,297.64 : 790,947.59 = 190,576.01 : x
  2. Step 2: Convert to fraction form
    527,297.64/790,947.59 = 190,576.01/x
  3. Step 3: Cross multiply
    527,297.64x = 790,947.59 × 190,576.01
  4. Step 4: Simplify right side
    527,297.64x = 150,735,630,913.70
  5. Step 5: Solve for x
    x = 150,735,630,913.70/527,297.64
  6. Step 6: Final answer
    x = 285,864.41

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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.