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Finding the Fourth Proportional to 364,404.28, 502,878.66 and 203,269.72

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Solution

The fourth proportional to 364,404.28, 502,878.66 and 203,269.72 is: 280,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,404.28 : 502,878.66 = 203,269.72 : x
  2. Step 2: Convert to fraction form
    364,404.28/502,878.66 = 203,269.72/x
  3. Step 3: Cross multiply
    364,404.28x = 502,878.66 × 203,269.72
  4. Step 4: Simplify right side
    364,404.28x = 102,220,004,412.18
  5. Step 5: Solve for x
    x = 102,220,004,412.18/364,404.28
  6. Step 6: Final answer
    x = 280,512.63

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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.