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Finding the Fourth Proportional to 395,677.52, 593,543.68 and 159,020.40

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Solution

The fourth proportional to 395,677.52, 593,543.68 and 159,020.40 is: 238,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,677.52 : 593,543.68 = 159,020.40 : x
  2. Step 2: Convert to fraction form
    395,677.52/593,543.68 = 159,020.40/x
  3. Step 3: Cross multiply
    395,677.52x = 593,543.68 × 159,020.40
  4. Step 4: Simplify right side
    395,677.52x = 94,385,553,411.07
  5. Step 5: Solve for x
    x = 94,385,553,411.07/395,677.52
  6. Step 6: Final answer
    x = 238,541.61

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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.