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Finding the Fourth Proportional to 493,504, 740,262.06 and 173,665.42

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Solution

The fourth proportional to 493,504, 740,262.06 and 173,665.42 is: 260,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,504 : 740,262.06 = 173,665.42 : x
  2. Step 2: Convert to fraction form
    493,504/740,262.06 = 173,665.42/x
  3. Step 3: Cross multiply
    493,504x = 740,262.06 × 173,665.42
  4. Step 4: Simplify right side
    493,504x = 128,557,921,559.97
  5. Step 5: Solve for x
    x = 128,557,921,559.97/493,504
  6. Step 6: Final answer
    x = 260,500.26

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1.5x scale

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.