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Finding the Fourth Proportional to 395,009.76, 592,511.76 and 158,348.96

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Solution

The fourth proportional to 395,009.76, 592,511.76 and 158,348.96 is: 237,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,009.76 : 592,511.76 = 158,348.96 : x
  2. Step 2: Convert to fraction form
    395,009.76/592,511.76 = 158,348.96/x
  3. Step 3: Cross multiply
    395,009.76x = 592,511.76 × 158,348.96
  4. Step 4: Simplify right side
    395,009.76x = 93,823,620,983.77
  5. Step 5: Solve for x
    x = 93,823,620,983.77/395,009.76
  6. Step 6: Final answer
    x = 237,522.29

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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.