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Finding the Fourth Proportional to 570, 786.08 and 373.44

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Solution

The fourth proportional to 570, 786.08 and 373.44 is: 515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    570 : 786.08 = 373.44 : x
  2. Step 2: Convert to fraction form
    570/786.08 = 373.44/x
  3. Step 3: Cross multiply
    570x = 786.08 × 373.44
  4. Step 4: Simplify right side
    570x = 293,553.72
  5. Step 5: Solve for x
    x = 293,553.72/570
  6. Step 6: Final answer
    x = 515.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.