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Finding the Fourth Proportional to 647,466.70, 971,200.05 and 589,405.90

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Solution

The fourth proportional to 647,466.70, 971,200.05 and 589,405.90 is: 884,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,466.70 : 971,200.05 = 589,405.90 : x
  2. Step 2: Convert to fraction form
    647,466.70/971,200.05 = 589,405.90/x
  3. Step 3: Cross multiply
    647,466.70x = 971,200.05 × 589,405.90
  4. Step 4: Simplify right side
    647,466.70x = 572,431,039,550.30
  5. Step 5: Solve for x
    x = 572,431,039,550.30/647,466.70
  6. Step 6: Final answer
    x = 884,108.85

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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.