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Finding the Fourth Proportional to 622,835.73, 933,482.68 and 442,633.76

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Solution

The fourth proportional to 622,835.73, 933,482.68 and 442,633.76 is: 663,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,835.73 : 933,482.68 = 442,633.76 : x
  2. Step 2: Convert to fraction form
    622,835.73/933,482.68 = 442,633.76/x
  3. Step 3: Cross multiply
    622,835.73x = 933,482.68 × 442,633.76
  4. Step 4: Simplify right side
    622,835.73x = 413,190,951,520.68
  5. Step 5: Solve for x
    x = 413,190,951,520.68/622,835.73
  6. Step 6: Final answer
    x = 663,402.77

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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.