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Finding the Fourth Proportional to 535,747.38, 739,307.70 and 294,030.42

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Solution

The fourth proportional to 535,747.38, 739,307.70 and 294,030.42 is: 405,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,747.38 : 739,307.70 = 294,030.42 : x
  2. Step 2: Convert to fraction form
    535,747.38/739,307.70 = 294,030.42/x
  3. Step 3: Cross multiply
    535,747.38x = 739,307.70 × 294,030.42
  4. Step 4: Simplify right side
    535,747.38x = 217,378,953,540.23
  5. Step 5: Solve for x
    x = 217,378,953,540.23/535,747.38
  6. Step 6: Final answer
    x = 405,748.98

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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.