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Finding the Fourth Proportional to 370.32, 554.86 and 175

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Solution

The fourth proportional to 370.32, 554.86 and 175 is: 262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.32 : 554.86 = 175 : x
  2. Step 2: Convert to fraction form
    370.32/554.86 = 175/x
  3. Step 3: Cross multiply
    370.32x = 554.86 × 175
  4. Step 4: Simplify right side
    370.32x = 97,100.50
  5. Step 5: Solve for x
    x = 97,100.50/370.32
  6. Step 6: Final answer
    x = 262.21

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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.