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Finding the Fourth Proportional to 351,061.62, 484,463.04 and 189,916.20

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Solution

The fourth proportional to 351,061.62, 484,463.04 and 189,916.20 is: 262,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,061.62 : 484,463.04 = 189,916.20 : x
  2. Step 2: Convert to fraction form
    351,061.62/484,463.04 = 189,916.20/x
  3. Step 3: Cross multiply
    351,061.62x = 484,463.04 × 189,916.20
  4. Step 4: Simplify right side
    351,061.62x = 92,007,379,597.25
  5. Step 5: Solve for x
    x = 92,007,379,597.25/351,061.62
  6. Step 6: Final answer
    x = 262,083.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.