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Finding the Fourth Proportional to 535,993.46, 739,637.82 and 294,274.67

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Solution

The fourth proportional to 535,993.46, 739,637.82 and 294,274.67 is: 406,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,993.46 : 739,637.82 = 294,274.67 : x
  2. Step 2: Convert to fraction form
    535,993.46/739,637.82 = 294,274.67/x
  3. Step 3: Cross multiply
    535,993.46x = 739,637.82 × 294,274.67
  4. Step 4: Simplify right side
    535,993.46x = 217,656,671,701.83
  5. Step 5: Solve for x
    x = 217,656,671,701.83/535,993.46
  6. Step 6: Final answer
    x = 406,080.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.