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Finding the Fourth Proportional to 555,965.34, 833,999.94 and 156,605.46

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Solution

The fourth proportional to 555,965.34, 833,999.94 and 156,605.46 is: 234,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,965.34 : 833,999.94 = 156,605.46 : x
  2. Step 2: Convert to fraction form
    555,965.34/833,999.94 = 156,605.46/x
  3. Step 3: Cross multiply
    555,965.34x = 833,999.94 × 156,605.46
  4. Step 4: Simplify right side
    555,965.34x = 130,608,944,243.67
  5. Step 5: Solve for x
    x = 130,608,944,243.67/555,965.34
  6. Step 6: Final answer
    x = 234,922.82

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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.