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Finding the Fourth Proportional to 565,420.77, 848,172.33 and 210,434.67

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Solution

The fourth proportional to 565,420.77, 848,172.33 and 210,434.67 is: 315,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,420.77 : 848,172.33 = 210,434.67 : x
  2. Step 2: Convert to fraction form
    565,420.77/848,172.33 = 210,434.67/x
  3. Step 3: Cross multiply
    565,420.77x = 848,172.33 × 210,434.67
  4. Step 4: Simplify right side
    565,420.77x = 178,484,864,366.68
  5. Step 5: Solve for x
    x = 178,484,864,366.68/565,420.77
  6. Step 6: Final answer
    x = 315,667.33

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1.5x scale

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.