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Finding the Fourth Proportional to 569.74, 786.03 and 373.36

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Solution

The fourth proportional to 569.74, 786.03 and 373.36 is: 515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.74 : 786.03 = 373.36 : x
  2. Step 2: Convert to fraction form
    569.74/786.03 = 373.36/x
  3. Step 3: Cross multiply
    569.74x = 786.03 × 373.36
  4. Step 4: Simplify right side
    569.74x = 293,472.16
  5. Step 5: Solve for x
    x = 293,472.16/569.74
  6. Step 6: Final answer
    x = 515.10

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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.