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Finding the Fourth Proportional to 264,397.34, 364,872.12 and 143,538.86

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Solution

The fourth proportional to 264,397.34, 364,872.12 and 143,538.86 is: 198,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,397.34 : 364,872.12 = 143,538.86 : x
  2. Step 2: Convert to fraction form
    264,397.34/364,872.12 = 143,538.86/x
  3. Step 3: Cross multiply
    264,397.34x = 364,872.12 × 143,538.86
  4. Step 4: Simplify right side
    264,397.34x = 52,373,328,150.58
  5. Step 5: Solve for x
    x = 52,373,328,150.58/264,397.34
  6. Step 6: Final answer
    x = 198,085.68

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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.