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Finding the Fourth Proportional to 1,278,664.02, 1,916,470.74 and 594,627.48

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Solution

The fourth proportional to 1,278,664.02, 1,916,470.74 and 594,627.48 is: 891,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,664.02 : 1,916,470.74 = 594,627.48 : x
  2. Step 2: Convert to fraction form
    1,278,664.02/1,916,470.74 = 594,627.48/x
  3. Step 3: Cross multiply
    1,278,664.02x = 1,916,470.74 × 594,627.48
  4. Step 4: Simplify right side
    1,278,664.02x = 1,139,586,166,619.94
  5. Step 5: Solve for x
    x = 1,139,586,166,619.94/1,278,664.02
  6. Step 6: Final answer
    x = 891,231.90

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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.