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Finding the Fourth Proportional to 395,665.52, 593,887.08 and 290,184.08

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Solution

The fourth proportional to 395,665.52, 593,887.08 and 290,184.08 is: 435,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,665.52 : 593,887.08 = 290,184.08 : x
  2. Step 2: Convert to fraction form
    395,665.52/593,887.08 = 290,184.08/x
  3. Step 3: Cross multiply
    395,665.52x = 593,887.08 × 290,184.08
  4. Step 4: Simplify right side
    395,665.52x = 172,336,575,933.69
  5. Step 5: Solve for x
    x = 172,336,575,933.69/395,665.52
  6. Step 6: Final answer
    x = 435,561.27

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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.