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Finding the Fourth Proportional to 395,302.52, 592,209.80 and 195,388.86

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Solution

The fourth proportional to 395,302.52, 592,209.80 and 195,388.86 is: 292,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,302.52 : 592,209.80 = 195,388.86 : x
  2. Step 2: Convert to fraction form
    395,302.52/592,209.80 = 195,388.86/x
  3. Step 3: Cross multiply
    395,302.52x = 592,209.80 × 195,388.86
  4. Step 4: Simplify right side
    395,302.52x = 115,711,197,702.83
  5. Step 5: Solve for x
    x = 115,711,197,702.83/395,302.52
  6. Step 6: Final answer
    x = 292,715.56

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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.