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Finding the Fourth Proportional to 548,043.66, 816,286.52 and 523,454.14

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Solution

The fourth proportional to 548,043.66, 816,286.52 and 523,454.14 is: 779,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,043.66 : 816,286.52 = 523,454.14 : x
  2. Step 2: Convert to fraction form
    548,043.66/816,286.52 = 523,454.14/x
  3. Step 3: Cross multiply
    548,043.66x = 816,286.52 × 523,454.14
  4. Step 4: Simplify right side
    548,043.66x = 427,288,551,621.49
  5. Step 5: Solve for x
    x = 427,288,551,621.49/548,043.66
  6. Step 6: Final answer
    x = 779,661.52

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Double scale
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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.