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Finding the Fourth Proportional to 587,312.84, 880,072.49 and 436,825.37

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Solution

The fourth proportional to 587,312.84, 880,072.49 and 436,825.37 is: 654,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,312.84 : 880,072.49 = 436,825.37 : x
  2. Step 2: Convert to fraction form
    587,312.84/880,072.49 = 436,825.37/x
  3. Step 3: Cross multiply
    587,312.84x = 880,072.49 × 436,825.37
  4. Step 4: Simplify right side
    587,312.84x = 384,437,994,363.32
  5. Step 5: Solve for x
    x = 384,437,994,363.32/587,312.84
  6. Step 6: Final answer
    x = 654,571.07

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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.