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Finding the Fourth Proportional to 456.04, 629.58 and 332.08

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Solution

The fourth proportional to 456.04, 629.58 and 332.08 is: 458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.04 : 629.58 = 332.08 : x
  2. Step 2: Convert to fraction form
    456.04/629.58 = 332.08/x
  3. Step 3: Cross multiply
    456.04x = 629.58 × 332.08
  4. Step 4: Simplify right side
    456.04x = 209,070.93
  5. Step 5: Solve for x
    x = 209,070.93/456.04
  6. Step 6: Final answer
    x = 458.45

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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.