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Finding the Fourth Proportional to 616,697.27, 851,304.57 and 375,057.46

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Solution

The fourth proportional to 616,697.27, 851,304.57 and 375,057.46 is: 517,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,697.27 : 851,304.57 = 375,057.46 : x
  2. Step 2: Convert to fraction form
    616,697.27/851,304.57 = 375,057.46/x
  3. Step 3: Cross multiply
    616,697.27x = 851,304.57 × 375,057.46
  4. Step 4: Simplify right side
    616,697.27x = 319,288,127,835.31
  5. Step 5: Solve for x
    x = 319,288,127,835.31/616,697.27
  6. Step 6: Final answer
    x = 517,738.84

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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.