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Finding the Fourth Proportional to 465,339.79, 697,926.52 and 123,785.07

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Solution

The fourth proportional to 465,339.79, 697,926.52 and 123,785.07 is: 185,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,339.79 : 697,926.52 = 123,785.07 : x
  2. Step 2: Convert to fraction form
    465,339.79/697,926.52 = 123,785.07/x
  3. Step 3: Cross multiply
    465,339.79x = 697,926.52 × 123,785.07
  4. Step 4: Simplify right side
    465,339.79x = 86,392,883,133.06
  5. Step 5: Solve for x
    x = 86,392,883,133.06/465,339.79
  6. Step 6: Final answer
    x = 185,655.48

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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.