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Finding the Fourth Proportional to 548,995.92, 819,756.93 and 484,415.85

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Solution

The fourth proportional to 548,995.92, 819,756.93 and 484,415.85 is: 723,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,995.92 : 819,756.93 = 484,415.85 : x
  2. Step 2: Convert to fraction form
    548,995.92/819,756.93 = 484,415.85/x
  3. Step 3: Cross multiply
    548,995.92x = 819,756.93 × 484,415.85
  4. Step 4: Simplify right side
    548,995.92x = 397,103,250,039.34
  5. Step 5: Solve for x
    x = 397,103,250,039.34/548,995.92
  6. Step 6: Final answer
    x = 723,326.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.