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Finding the Fourth Proportional to 529,856.80, 794,793.92 and 155,888.80

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Solution

The fourth proportional to 529,856.80, 794,793.92 and 155,888.80 is: 233,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,856.80 : 794,793.92 = 155,888.80 : x
  2. Step 2: Convert to fraction form
    529,856.80/794,793.92 = 155,888.80/x
  3. Step 3: Cross multiply
    529,856.80x = 794,793.92 × 155,888.80
  4. Step 4: Simplify right side
    529,856.80x = 123,899,470,436.10
  5. Step 5: Solve for x
    x = 123,899,470,436.10/529,856.80
  6. Step 6: Final answer
    x = 233,835.77

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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.