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Finding the Fourth Proportional to 647,536.70, 971,305.05 and 597,770.30

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Solution

The fourth proportional to 647,536.70, 971,305.05 and 597,770.30 is: 896,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,536.70 : 971,305.05 = 597,770.30 : x
  2. Step 2: Convert to fraction form
    647,536.70/971,305.05 = 597,770.30/x
  3. Step 3: Cross multiply
    647,536.70x = 971,305.05 × 597,770.30
  4. Step 4: Simplify right side
    647,536.70x = 580,617,311,130.02
  5. Step 5: Solve for x
    x = 580,617,311,130.02/647,536.70
  6. Step 6: Final answer
    x = 896,655.45

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Similar ratio
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1.5x scale

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.