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Finding the Fourth Proportional to 364,477.91, 502,979.73 and 203,332.96

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Solution

The fourth proportional to 364,477.91, 502,979.73 and 203,332.96 is: 280,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,477.91 : 502,979.73 = 203,332.96 : x
  2. Step 2: Convert to fraction form
    364,477.91/502,979.73 = 203,332.96/x
  3. Step 3: Cross multiply
    364,477.91x = 502,979.73 × 203,332.96
  4. Step 4: Simplify right side
    364,477.91x = 102,272,354,806.00
  5. Step 5: Solve for x
    x = 102,272,354,806.00/364,477.91
  6. Step 6: Final answer
    x = 280,599.60

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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.