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Finding the Fourth Proportional to 364,628.22, 503,212.14 and 203,514.72

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Solution

The fourth proportional to 364,628.22, 503,212.14 and 203,514.72 is: 280,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,628.22 : 503,212.14 = 203,514.72 : x
  2. Step 2: Convert to fraction form
    364,628.22/503,212.14 = 203,514.72/x
  3. Step 3: Cross multiply
    364,628.22x = 503,212.14 × 203,514.72
  4. Step 4: Simplify right side
    364,628.22x = 102,411,077,772.70
  5. Step 5: Solve for x
    x = 102,411,077,772.70/364,628.22
  6. Step 6: Final answer
    x = 280,864.38

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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.