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Finding the Fourth Proportional to 751.24, 1,036.72 and 456.52

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Solution

The fourth proportional to 751.24, 1,036.72 and 456.52 is: 630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.24 : 1,036.72 = 456.52 : x
  2. Step 2: Convert to fraction form
    751.24/1,036.72 = 456.52/x
  3. Step 3: Cross multiply
    751.24x = 1,036.72 × 456.52
  4. Step 4: Simplify right side
    751.24x = 473,283.41
  5. Step 5: Solve for x
    x = 473,283.41/751.24
  6. Step 6: Final answer
    x = 630.00

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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.