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Finding the Fourth Proportional to 572,558.70, 859,166.10 and 217,827.30

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Solution

The fourth proportional to 572,558.70, 859,166.10 and 217,827.30 is: 326,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,558.70 : 859,166.10 = 217,827.30 : x
  2. Step 2: Convert to fraction form
    572,558.70/859,166.10 = 217,827.30/x
  3. Step 3: Cross multiply
    572,558.70x = 859,166.10 × 217,827.30
  4. Step 4: Simplify right side
    572,558.70x = 187,149,831,814.53
  5. Step 5: Solve for x
    x = 187,149,831,814.53/572,558.70
  6. Step 6: Final answer
    x = 326,865.76

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Double scale
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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.