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Finding the Fourth Proportional to 569.32, 852 and 415.01

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Solution

The fourth proportional to 569.32, 852 and 415.01 is: 621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.32 : 852 = 415.01 : x
  2. Step 2: Convert to fraction form
    569.32/852 = 415.01/x
  3. Step 3: Cross multiply
    569.32x = 852 × 415.01
  4. Step 4: Simplify right side
    569.32x = 353,588.52
  5. Step 5: Solve for x
    x = 353,588.52/569.32
  6. Step 6: Final answer
    x = 621.07

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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.