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Finding the Fourth Proportional to 370,031.23, 510,644.60 and 200,265.31

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Solution

The fourth proportional to 370,031.23, 510,644.60 and 200,265.31 is: 276,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,031.23 : 510,644.60 = 200,265.31 : x
  2. Step 2: Convert to fraction form
    370,031.23/510,644.60 = 200,265.31/x
  3. Step 3: Cross multiply
    370,031.23x = 510,644.60 × 200,265.31
  4. Step 4: Simplify right side
    370,031.23x = 102,264,398,117.50
  5. Step 5: Solve for x
    x = 102,264,398,117.50/370,031.23
  6. Step 6: Final answer
    x = 276,366.94

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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.