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Finding the Fourth Proportional to 713,245.74, 984,379.96 and 441,401.24

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Solution

The fourth proportional to 713,245.74, 984,379.96 and 441,401.24 is: 609,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,245.74 : 984,379.96 = 441,401.24 : x
  2. Step 2: Convert to fraction form
    713,245.74/984,379.96 = 441,401.24/x
  3. Step 3: Cross multiply
    713,245.74x = 984,379.96 × 441,401.24
  4. Step 4: Simplify right side
    713,245.74x = 434,506,534,975.15
  5. Step 5: Solve for x
    x = 434,506,534,975.15/713,245.74
  6. Step 6: Final answer
    x = 609,196.12

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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.