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Finding the Fourth Proportional to 565,568.04, 848,740.90 and 210,865.80

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Solution

The fourth proportional to 565,568.04, 848,740.90 and 210,865.80 is: 316,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,568.04 : 848,740.90 = 210,865.80 : x
  2. Step 2: Convert to fraction form
    565,568.04/848,740.90 = 210,865.80/x
  3. Step 3: Cross multiply
    565,568.04x = 848,740.90 × 210,865.80
  4. Step 4: Simplify right side
    565,568.04x = 178,970,428,871.22
  5. Step 5: Solve for x
    x = 178,970,428,871.22/565,568.04
  6. Step 6: Final answer
    x = 316,443.67

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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.