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Finding the Fourth Proportional to 493,587.75, 740,381.73 and 178,044.63

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Solution

The fourth proportional to 493,587.75, 740,381.73 and 178,044.63 is: 267,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,587.75 : 740,381.73 = 178,044.63 : x
  2. Step 2: Convert to fraction form
    493,587.75/740,381.73 = 178,044.63/x
  3. Step 3: Cross multiply
    493,587.75x = 740,381.73 × 178,044.63
  4. Step 4: Simplify right side
    493,587.75x = 131,820,991,176.61
  5. Step 5: Solve for x
    x = 131,820,991,176.61/493,587.75
  6. Step 6: Final answer
    x = 267,066.98

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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.