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Finding the Fourth Proportional to 586.24, 877.44 and 423.04

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Solution

The fourth proportional to 586.24, 877.44 and 423.04 is: 633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.24 : 877.44 = 423.04 : x
  2. Step 2: Convert to fraction form
    586.24/877.44 = 423.04/x
  3. Step 3: Cross multiply
    586.24x = 877.44 × 423.04
  4. Step 4: Simplify right side
    586.24x = 371,192.22
  5. Step 5: Solve for x
    x = 371,192.22/586.24
  6. Step 6: Final answer
    x = 633.17

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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.