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Finding the Fourth Proportional to 364,078.52, 502,445.60 and 202,934.89

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Solution

The fourth proportional to 364,078.52, 502,445.60 and 202,934.89 is: 280,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,078.52 : 502,445.60 = 202,934.89 : x
  2. Step 2: Convert to fraction form
    364,078.52/502,445.60 = 202,934.89/x
  3. Step 3: Cross multiply
    364,078.52x = 502,445.60 × 202,934.89
  4. Step 4: Simplify right side
    364,078.52x = 101,963,742,566.98
  5. Step 5: Solve for x
    x = 101,963,742,566.98/364,078.52
  6. Step 6: Final answer
    x = 280,059.76

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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.