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Finding the Fourth Proportional to 584,814.75, 807,046.79 and 316,542.75

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Solution

The fourth proportional to 584,814.75, 807,046.79 and 316,542.75 is: 436,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,814.75 : 807,046.79 = 316,542.75 : x
  2. Step 2: Convert to fraction form
    584,814.75/807,046.79 = 316,542.75/x
  3. Step 3: Cross multiply
    584,814.75x = 807,046.79 × 316,542.75
  4. Step 4: Simplify right side
    584,814.75x = 255,464,808,702.56
  5. Step 5: Solve for x
    x = 255,464,808,702.56/584,814.75
  6. Step 6: Final answer
    x = 436,830.31

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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.