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Finding the Fourth Proportional to 565,544.85, 848,309.79 and 139,084.35

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Solution

The fourth proportional to 565,544.85, 848,309.79 and 139,084.35 is: 208,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,544.85 : 848,309.79 = 139,084.35 : x
  2. Step 2: Convert to fraction form
    565,544.85/848,309.79 = 139,084.35/x
  3. Step 3: Cross multiply
    565,544.85x = 848,309.79 × 139,084.35
  4. Step 4: Simplify right side
    565,544.85x = 117,986,615,740.79
  5. Step 5: Solve for x
    x = 117,986,615,740.79/565,544.85
  6. Step 6: Final answer
    x = 208,624.68

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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.