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Finding the Fourth Proportional to 762,735, 1,048,841.82 and 661,958.04

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Solution

The fourth proportional to 762,735, 1,048,841.82 and 661,958.04 is: 910,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,735 : 1,048,841.82 = 661,958.04 : x
  2. Step 2: Convert to fraction form
    762,735/1,048,841.82 = 661,958.04/x
  3. Step 3: Cross multiply
    762,735x = 1,048,841.82 × 661,958.04
  4. Step 4: Simplify right side
    762,735x = 694,289,275,437.23
  5. Step 5: Solve for x
    x = 694,289,275,437.23/762,735
  6. Step 6: Final answer
    x = 910,262.77

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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.