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Finding the Fourth Proportional to 777,628, 1,166,442.02 and 186,652

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Solution

The fourth proportional to 777,628, 1,166,442.02 and 186,652 is: 279,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,628 : 1,166,442.02 = 186,652 : x
  2. Step 2: Convert to fraction form
    777,628/1,166,442.02 = 186,652/x
  3. Step 3: Cross multiply
    777,628x = 1,166,442.02 × 186,652
  4. Step 4: Simplify right side
    777,628x = 217,718,735,917.04
  5. Step 5: Solve for x
    x = 217,718,735,917.04/777,628
  6. Step 6: Final answer
    x = 279,978.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.