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Finding the Fourth Proportional to 624,666.66, 936,401.39 and 264,341.84

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Solution

The fourth proportional to 624,666.66, 936,401.39 and 264,341.84 is: 396,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,666.66 : 936,401.39 = 264,341.84 : x
  2. Step 2: Convert to fraction form
    624,666.66/936,401.39 = 264,341.84/x
  3. Step 3: Cross multiply
    624,666.66x = 936,401.39 × 264,341.84
  4. Step 4: Simplify right side
    624,666.66x = 247,530,062,390.01
  5. Step 5: Solve for x
    x = 247,530,062,390.01/624,666.66
  6. Step 6: Final answer
    x = 396,259.44

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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.