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Finding the Fourth Proportional to 503,366.22, 694,488.96 and 285,539.04

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Solution

The fourth proportional to 503,366.22, 694,488.96 and 285,539.04 is: 393,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,366.22 : 694,488.96 = 285,539.04 : x
  2. Step 2: Convert to fraction form
    503,366.22/694,488.96 = 285,539.04/x
  3. Step 3: Cross multiply
    503,366.22x = 694,488.96 × 285,539.04
  4. Step 4: Simplify right side
    503,366.22x = 198,303,710,929.00
  5. Step 5: Solve for x
    x = 198,303,710,929.00/503,366.22
  6. Step 6: Final answer
    x = 393,955.14

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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.