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Finding the Fourth Proportional to 535,366.14, 738,825.95 and 293,658.90

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Solution

The fourth proportional to 535,366.14, 738,825.95 and 293,658.90 is: 405,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,366.14 : 738,825.95 = 293,658.90 : x
  2. Step 2: Convert to fraction form
    535,366.14/738,825.95 = 293,658.90/x
  3. Step 3: Cross multiply
    535,366.14x = 738,825.95 × 293,658.90
  4. Step 4: Simplify right side
    535,366.14x = 216,962,815,768.46
  5. Step 5: Solve for x
    x = 216,962,815,768.46/535,366.14
  6. Step 6: Final answer
    x = 405,260.62

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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.