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Finding the Fourth Proportional to 586.48, 874.76 and 552.64

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Solution

The fourth proportional to 586.48, 874.76 and 552.64 is: 824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.48 : 874.76 = 552.64 : x
  2. Step 2: Convert to fraction form
    586.48/874.76 = 552.64/x
  3. Step 3: Cross multiply
    586.48x = 874.76 × 552.64
  4. Step 4: Simplify right side
    586.48x = 483,427.37
  5. Step 5: Solve for x
    x = 483,427.37/586.48
  6. Step 6: Final answer
    x = 824.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.