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Finding the Fourth Proportional to 623,713.69, 935,585.13 and 203,022.37

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Solution

The fourth proportional to 623,713.69, 935,585.13 and 203,022.37 is: 304,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,713.69 : 935,585.13 = 203,022.37 : x
  2. Step 2: Convert to fraction form
    623,713.69/935,585.13 = 203,022.37/x
  3. Step 3: Cross multiply
    623,713.69x = 935,585.13 × 203,022.37
  4. Step 4: Simplify right side
    623,713.69x = 189,944,710,429.36
  5. Step 5: Solve for x
    x = 189,944,710,429.36/623,713.69
  6. Step 6: Final answer
    x = 304,538.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.