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Finding the Fourth Proportional to 364.46, 546.57 and 307.06

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Solution

The fourth proportional to 364.46, 546.57 and 307.06 is: 460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.46 : 546.57 = 307.06 : x
  2. Step 2: Convert to fraction form
    364.46/546.57 = 307.06/x
  3. Step 3: Cross multiply
    364.46x = 546.57 × 307.06
  4. Step 4: Simplify right side
    364.46x = 167,829.78
  5. Step 5: Solve for x
    x = 167,829.78/364.46
  6. Step 6: Final answer
    x = 460.49

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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.