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Finding the Fourth Proportional to 532,259.58, 734,408.52 and 305,861.34

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Solution

The fourth proportional to 532,259.58, 734,408.52 and 305,861.34 is: 422,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,259.58 : 734,408.52 = 305,861.34 : x
  2. Step 2: Convert to fraction form
    532,259.58/734,408.52 = 305,861.34/x
  3. Step 3: Cross multiply
    532,259.58x = 734,408.52 × 305,861.34
  4. Step 4: Simplify right side
    532,259.58x = 224,627,174,034.62
  5. Step 5: Solve for x
    x = 224,627,174,034.62/532,259.58
  6. Step 6: Final answer
    x = 422,025.61

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1.5x scale

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.