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Finding the Fourth Proportional to 375.46, 562.58 and 259.50

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Solution

The fourth proportional to 375.46, 562.58 and 259.50 is: 388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.46 : 562.58 = 259.50 : x
  2. Step 2: Convert to fraction form
    375.46/562.58 = 259.50/x
  3. Step 3: Cross multiply
    375.46x = 562.58 × 259.50
  4. Step 4: Simplify right side
    375.46x = 145,989.51
  5. Step 5: Solve for x
    x = 145,989.51/375.46
  6. Step 6: Final answer
    x = 388.83

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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.