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Finding the Fourth Proportional to 364,557.73, 503,089.54 and 203,412.74

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Solution

The fourth proportional to 364,557.73, 503,089.54 and 203,412.74 is: 280,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,557.73 : 503,089.54 = 203,412.74 : x
  2. Step 2: Convert to fraction form
    364,557.73/503,089.54 = 203,412.74/x
  3. Step 3: Cross multiply
    364,557.73x = 503,089.54 × 203,412.74
  4. Step 4: Simplify right side
    364,557.73x = 102,334,821,796.74
  5. Step 5: Solve for x
    x = 102,334,821,796.74/364,557.73
  6. Step 6: Final answer
    x = 280,709.51

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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.