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Finding the Fourth Proportional to 264,472.34, 364,972.56 and 143,615.64

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Solution

The fourth proportional to 264,472.34, 364,972.56 and 143,615.64 is: 198,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,472.34 : 364,972.56 = 143,615.64 : x
  2. Step 2: Convert to fraction form
    264,472.34/364,972.56 = 143,615.64/x
  3. Step 3: Cross multiply
    264,472.34x = 364,972.56 × 143,615.64
  4. Step 4: Simplify right side
    264,472.34x = 52,415,767,786.84
  5. Step 5: Solve for x
    x = 52,415,767,786.84/264,472.34
  6. Step 6: Final answer
    x = 198,189.98

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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.