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Finding the Fourth Proportional to 661,614.84, 992,303.25 and 175,300.26

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Solution

The fourth proportional to 661,614.84, 992,303.25 and 175,300.26 is: 262,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,614.84 : 992,303.25 = 175,300.26 : x
  2. Step 2: Convert to fraction form
    661,614.84/992,303.25 = 175,300.26/x
  3. Step 3: Cross multiply
    661,614.84x = 992,303.25 × 175,300.26
  4. Step 4: Simplify right side
    661,614.84x = 173,951,017,723.85
  5. Step 5: Solve for x
    x = 173,951,017,723.85/661,614.84
  6. Step 6: Final answer
    x = 262,918.86

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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.