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Finding the Fourth Proportional to 493,021.98, 675,436.89 and 474,585.87

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Solution

The fourth proportional to 493,021.98, 675,436.89 and 474,585.87 is: 650,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,021.98 : 675,436.89 = 474,585.87 : x
  2. Step 2: Convert to fraction form
    493,021.98/675,436.89 = 474,585.87/x
  3. Step 3: Cross multiply
    493,021.98x = 675,436.89 × 474,585.87
  4. Step 4: Simplify right side
    493,021.98x = 320,552,804,070.74
  5. Step 5: Solve for x
    x = 320,552,804,070.74/493,021.98
  6. Step 6: Final answer
    x = 650,179.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.