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Finding the Fourth Proportional to 264,285.34, 364,716.44 and 143,427.67

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Solution

The fourth proportional to 264,285.34, 364,716.44 and 143,427.67 is: 197,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,285.34 : 364,716.44 = 143,427.67 : x
  2. Step 2: Convert to fraction form
    264,285.34/364,716.44 = 143,427.67/x
  3. Step 3: Cross multiply
    264,285.34x = 364,716.44 × 143,427.67
  4. Step 4: Simplify right side
    264,285.34x = 52,310,429,199.89
  5. Step 5: Solve for x
    x = 52,310,429,199.89/264,285.34
  6. Step 6: Final answer
    x = 197,931.63

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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.