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Finding the Fourth Proportional to 572,565.70, 859,176.60 and 217,834.30

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Solution

The fourth proportional to 572,565.70, 859,176.60 and 217,834.30 is: 326,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,565.70 : 859,176.60 = 217,834.30 : x
  2. Step 2: Convert to fraction form
    572,565.70/859,176.60 = 217,834.30/x
  3. Step 3: Cross multiply
    572,565.70x = 859,176.60 × 217,834.30
  4. Step 4: Simplify right side
    572,565.70x = 187,158,133,237.38
  5. Step 5: Solve for x
    x = 187,158,133,237.38/572,565.70
  6. Step 6: Final answer
    x = 326,876.26

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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.