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Finding the Fourth Proportional to 364,647.22, 503,238.42 and 203,533.76

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Solution

The fourth proportional to 364,647.22, 503,238.42 and 203,533.76 is: 280,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,647.22 : 503,238.42 = 203,533.76 : x
  2. Step 2: Convert to fraction form
    364,647.22/503,238.42 = 203,533.76/x
  3. Step 3: Cross multiply
    364,647.22x = 503,238.42 × 203,533.76
  4. Step 4: Simplify right side
    364,647.22x = 102,426,009,057.16
  5. Step 5: Solve for x
    x = 102,426,009,057.16/364,647.22
  6. Step 6: Final answer
    x = 280,890.69

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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.