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Finding the Fourth Proportional to 751.01, 1,036.16 and 452.07

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Solution

The fourth proportional to 751.01, 1,036.16 and 452.07 is: 623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.01 : 1,036.16 = 452.07 : x
  2. Step 2: Convert to fraction form
    751.01/1,036.16 = 452.07/x
  3. Step 3: Cross multiply
    751.01x = 1,036.16 × 452.07
  4. Step 4: Simplify right side
    751.01x = 468,414.59
  5. Step 5: Solve for x
    x = 468,414.59/751.01
  6. Step 6: Final answer
    x = 623.71

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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.