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Finding the Fourth Proportional to 554,444.27, 765,133.64 and 299,795.39

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Solution

The fourth proportional to 554,444.27, 765,133.64 and 299,795.39 is: 413,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,444.27 : 765,133.64 = 299,795.39 : x
  2. Step 2: Convert to fraction form
    554,444.27/765,133.64 = 299,795.39/x
  3. Step 3: Cross multiply
    554,444.27x = 765,133.64 × 299,795.39
  4. Step 4: Simplify right side
    554,444.27x = 229,383,538,005.92
  5. Step 5: Solve for x
    x = 229,383,538,005.92/554,444.27
  6. Step 6: Final answer
    x = 413,717.93

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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.