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Finding the Fourth Proportional to 1,658.18, 2,487.58 and 562.26

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Solution

The fourth proportional to 1,658.18, 2,487.58 and 562.26 is: 843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.18 : 2,487.58 = 562.26 : x
  2. Step 2: Convert to fraction form
    1,658.18/2,487.58 = 562.26/x
  3. Step 3: Cross multiply
    1,658.18x = 2,487.58 × 562.26
  4. Step 4: Simplify right side
    1,658.18x = 1,398,666.73
  5. Step 5: Solve for x
    x = 1,398,666.73/1,658.18
  6. Step 6: Final answer
    x = 843.50

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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.