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Finding the Fourth Proportional to 647,599.70, 971,399.55 and 597,833.30

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Solution

The fourth proportional to 647,599.70, 971,399.55 and 597,833.30 is: 896,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,599.70 : 971,399.55 = 597,833.30 : x
  2. Step 2: Convert to fraction form
    647,599.70/971,399.55 = 597,833.30/x
  3. Step 3: Cross multiply
    647,599.70x = 971,399.55 × 597,833.30
  4. Step 4: Simplify right side
    647,599.70x = 580,734,998,595.02
  5. Step 5: Solve for x
    x = 580,734,998,595.02/647,599.70
  6. Step 6: Final answer
    x = 896,749.95

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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.