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Finding the Fourth Proportional to 1,697.27, 2,545.27 and 586.38

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Solution

The fourth proportional to 1,697.27, 2,545.27 and 586.38 is: 879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.27 : 2,545.27 = 586.38 : x
  2. Step 2: Convert to fraction form
    1,697.27/2,545.27 = 586.38/x
  3. Step 3: Cross multiply
    1,697.27x = 2,545.27 × 586.38
  4. Step 4: Simplify right side
    1,697.27x = 1,492,495.42
  5. Step 5: Solve for x
    x = 1,492,495.42/1,697.27
  6. Step 6: Final answer
    x = 879.35

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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.