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Finding the Fourth Proportional to 495,818.93, 683,996.42 and 359,553.95

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Solution

The fourth proportional to 495,818.93, 683,996.42 and 359,553.95 is: 496,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,818.93 : 683,996.42 = 359,553.95 : x
  2. Step 2: Convert to fraction form
    495,818.93/683,996.42 = 359,553.95/x
  3. Step 3: Cross multiply
    495,818.93x = 683,996.42 × 359,553.95
  4. Step 4: Simplify right side
    495,818.93x = 245,933,609,379.11
  5. Step 5: Solve for x
    x = 245,933,609,379.11/495,818.93
  6. Step 6: Final answer
    x = 496,014.97

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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.