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Finding the Fourth Proportional to 1,278,666.02, 1,916,473.74 and 594,629.48

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Solution

The fourth proportional to 1,278,666.02, 1,916,473.74 and 594,629.48 is: 891,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,666.02 : 1,916,473.74 = 594,629.48 : x
  2. Step 2: Convert to fraction form
    1,278,666.02/1,916,473.74 = 594,629.48/x
  3. Step 3: Cross multiply
    1,278,666.02x = 1,916,473.74 × 594,629.48
  4. Step 4: Simplify right side
    1,278,666.02x = 1,139,591,783,449.86
  5. Step 5: Solve for x
    x = 1,139,591,783,449.86/1,278,666.02
  6. Step 6: Final answer
    x = 891,234.90

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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.