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Finding the Fourth Proportional to 492,010.57, 737,297.79 and 218,126.35

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Solution

The fourth proportional to 492,010.57, 737,297.79 and 218,126.35 is: 326,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,010.57 : 737,297.79 = 218,126.35 : x
  2. Step 2: Convert to fraction form
    492,010.57/737,297.79 = 218,126.35/x
  3. Step 3: Cross multiply
    492,010.57x = 737,297.79 × 218,126.35
  4. Step 4: Simplify right side
    492,010.57x = 160,824,075,795.77
  5. Step 5: Solve for x
    x = 160,824,075,795.77/492,010.57
  6. Step 6: Final answer
    x = 326,871.18

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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.