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Finding the Fourth Proportional to 535,249, 803,184.54 and 239,761

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Solution

The fourth proportional to 535,249, 803,184.54 and 239,761 is: 359,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,249 : 803,184.54 = 239,761 : x
  2. Step 2: Convert to fraction form
    535,249/803,184.54 = 239,761/x
  3. Step 3: Cross multiply
    535,249x = 803,184.54 × 239,761
  4. Step 4: Simplify right side
    535,249x = 192,572,328,494.94
  5. Step 5: Solve for x
    x = 192,572,328,494.94/535,249
  6. Step 6: Final answer
    x = 359,780.83

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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.