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Finding the Fourth Proportional to 584,980.11, 806,491.89 and 464,520.15

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Solution

The fourth proportional to 584,980.11, 806,491.89 and 464,520.15 is: 640,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,980.11 : 806,491.89 = 464,520.15 : x
  2. Step 2: Convert to fraction form
    584,980.11/806,491.89 = 464,520.15/x
  3. Step 3: Cross multiply
    584,980.11x = 806,491.89 × 464,520.15
  4. Step 4: Simplify right side
    584,980.11x = 374,631,733,716.58
  5. Step 5: Solve for x
    x = 374,631,733,716.58/584,980.11
  6. Step 6: Final answer
    x = 640,417.90

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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.