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Finding the Fourth Proportional to 492,598.76, 738,998.21 and 155,692.04

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Solution

The fourth proportional to 492,598.76, 738,998.21 and 155,692.04 is: 233,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,598.76 : 738,998.21 = 155,692.04 : x
  2. Step 2: Convert to fraction form
    492,598.76/738,998.21 = 155,692.04/x
  3. Step 3: Cross multiply
    492,598.76x = 738,998.21 × 155,692.04
  4. Step 4: Simplify right side
    492,598.76x = 115,056,135,565.49
  5. Step 5: Solve for x
    x = 115,056,135,565.49/492,598.76
  6. Step 6: Final answer
    x = 233,569.68

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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.