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Finding the Fourth Proportional to 603,778.84, 833,945.55 and 440,176.25

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Solution

The fourth proportional to 603,778.84, 833,945.55 and 440,176.25 is: 607,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,778.84 : 833,945.55 = 440,176.25 : x
  2. Step 2: Convert to fraction form
    603,778.84/833,945.55 = 440,176.25/x
  3. Step 3: Cross multiply
    603,778.84x = 833,945.55 × 440,176.25
  4. Step 4: Simplify right side
    603,778.84x = 367,083,024,903.19
  5. Step 5: Solve for x
    x = 367,083,024,903.19/603,778.84
  6. Step 6: Final answer
    x = 607,975.97

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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.