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Finding the Fourth Proportional to 395,663.52, 593,884.08 and 290,182.08

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Solution

The fourth proportional to 395,663.52, 593,884.08 and 290,182.08 is: 435,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,663.52 : 593,884.08 = 290,182.08 : x
  2. Step 2: Convert to fraction form
    395,663.52/593,884.08 = 290,182.08/x
  3. Step 3: Cross multiply
    395,663.52x = 593,884.08 × 290,182.08
  4. Step 4: Simplify right side
    395,663.52x = 172,334,517,613.29
  5. Step 5: Solve for x
    x = 172,334,517,613.29/395,663.52
  6. Step 6: Final answer
    x = 435,558.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.