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Finding the Fourth Proportional to 1,658.61, 2,488.23 and 562.95

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Solution

The fourth proportional to 1,658.61, 2,488.23 and 562.95 is: 844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.61 : 2,488.23 = 562.95 : x
  2. Step 2: Convert to fraction form
    1,658.61/2,488.23 = 562.95/x
  3. Step 3: Cross multiply
    1,658.61x = 2,488.23 × 562.95
  4. Step 4: Simplify right side
    1,658.61x = 1,400,749.08
  5. Step 5: Solve for x
    x = 1,400,749.08/1,658.61
  6. Step 6: Final answer
    x = 844.53

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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.