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Finding the Fourth Proportional to 750.92, 1,036.10 and 436.00

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Solution

The fourth proportional to 750.92, 1,036.10 and 436.00 is: 601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.92 : 1,036.10 = 436.00 : x
  2. Step 2: Convert to fraction form
    750.92/1,036.10 = 436.00/x
  3. Step 3: Cross multiply
    750.92x = 1,036.10 × 436.00
  4. Step 4: Simplify right side
    750.92x = 451,736.70
  5. Step 5: Solve for x
    x = 451,736.70/750.92
  6. Step 6: Final answer
    x = 601.58

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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.